Home / 3,787.74-5,224.50-2,528.28

Finding the Fourth Proportional to 3,787.74, 5,224.50 and 2,528.28

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Solution

The fourth proportional to 3,787.74, 5,224.50 and 2,528.28 is: 3,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.74 : 5,224.50 = 2,528.28 : x
  2. Step 2: Convert to fraction form
    3,787.74/5,224.50 = 2,528.28/x
  3. Step 3: Cross multiply
    3,787.74x = 5,224.50 × 2,528.28
  4. Step 4: Simplify right side
    3,787.74x = 13,208,998.86
  5. Step 5: Solve for x
    x = 13,208,998.86/3,787.74
  6. Step 6: Final answer
    x = 3,487.30

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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.