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Finding the Fourth Proportional to 3,801.52, 5,248.50 and 2,915.62

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Solution

The fourth proportional to 3,801.52, 5,248.50 and 2,915.62 is: 4,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.52 : 5,248.50 = 2,915.62 : x
  2. Step 2: Convert to fraction form
    3,801.52/5,248.50 = 2,915.62/x
  3. Step 3: Cross multiply
    3,801.52x = 5,248.50 × 2,915.62
  4. Step 4: Simplify right side
    3,801.52x = 15,302,631.57
  5. Step 5: Solve for x
    x = 15,302,631.57/3,801.52
  6. Step 6: Final answer
    x = 4,025.40

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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.