Home / 3,728.39-5,593.20-1,263.50

Finding the Fourth Proportional to 3,728.39, 5,593.20 and 1,263.50

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Solution

The fourth proportional to 3,728.39, 5,593.20 and 1,263.50 is: 1,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.39 : 5,593.20 = 1,263.50 : x
  2. Step 2: Convert to fraction form
    3,728.39/5,593.20 = 1,263.50/x
  3. Step 3: Cross multiply
    3,728.39x = 5,593.20 × 1,263.50
  4. Step 4: Simplify right side
    3,728.39x = 7,066,973.92
  5. Step 5: Solve for x
    x = 7,066,973.92/3,728.39
  6. Step 6: Final answer
    x = 1,895.45

Related Problems

Find fourth proportional to 1,864.20, 2,796.60 and 631.75
Half scale
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Double scale
Find fourth proportional to 3,729.39, 5,594.70 and 1,264.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.