Home / 3,782.75-5,220.63-2,210.75

Finding the Fourth Proportional to 3,782.75, 5,220.63 and 2,210.75

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Solution

The fourth proportional to 3,782.75, 5,220.63 and 2,210.75 is: 3,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.75 : 5,220.63 = 2,210.75 : x
  2. Step 2: Convert to fraction form
    3,782.75/5,220.63 = 2,210.75/x
  3. Step 3: Cross multiply
    3,782.75x = 5,220.63 × 2,210.75
  4. Step 4: Simplify right side
    3,782.75x = 11,541,507.77
  5. Step 5: Solve for x
    x = 11,541,507.77/3,782.75
  6. Step 6: Final answer
    x = 3,051.09

Related Problems

Find fourth proportional to 1,891.38, 2,610.32 and 1,105.38
Half scale
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Double scale
Find fourth proportional to 3,783.75, 5,222.01 and 2,211.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.