Home / 3,728.28-5,587.56-1,534.80

Finding the Fourth Proportional to 3,728.28, 5,587.56 and 1,534.80

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Solution

The fourth proportional to 3,728.28, 5,587.56 and 1,534.80 is: 2,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.28 : 5,587.56 = 1,534.80 : x
  2. Step 2: Convert to fraction form
    3,728.28/5,587.56 = 1,534.80/x
  3. Step 3: Cross multiply
    3,728.28x = 5,587.56 × 1,534.80
  4. Step 4: Simplify right side
    3,728.28x = 8,575,787.09
  5. Step 5: Solve for x
    x = 8,575,787.09/3,728.28
  6. Step 6: Final answer
    x = 2,300.20

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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.