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Finding the Fourth Proportional to 3,888.32, 5,337.17 and 3,459.28

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Solution

The fourth proportional to 3,888.32, 5,337.17 and 3,459.28 is: 4,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.32 : 5,337.17 = 3,459.28 : x
  2. Step 2: Convert to fraction form
    3,888.32/5,337.17 = 3,459.28/x
  3. Step 3: Cross multiply
    3,888.32x = 5,337.17 × 3,459.28
  4. Step 4: Simplify right side
    3,888.32x = 18,462,765.44
  5. Step 5: Solve for x
    x = 18,462,765.44/3,888.32
  6. Step 6: Final answer
    x = 4,748.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.