Home / 3,801.22-5,248.65-2,915.62

Finding the Fourth Proportional to 3,801.22, 5,248.65 and 2,915.62

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Solution

The fourth proportional to 3,801.22, 5,248.65 and 2,915.62 is: 4,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.22 : 5,248.65 = 2,915.62 : x
  2. Step 2: Convert to fraction form
    3,801.22/5,248.65 = 2,915.62/x
  3. Step 3: Cross multiply
    3,801.22x = 5,248.65 × 2,915.62
  4. Step 4: Simplify right side
    3,801.22x = 15,303,068.91
  5. Step 5: Solve for x
    x = 15,303,068.91/3,801.22
  6. Step 6: Final answer
    x = 4,025.83

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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.