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Finding the Fourth Proportional to 3,557.64, 5,337.08 and 1,712.08

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Solution

The fourth proportional to 3,557.64, 5,337.08 and 1,712.08 is: 2,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.64 : 5,337.08 = 1,712.08 : x
  2. Step 2: Convert to fraction form
    3,557.64/5,337.08 = 1,712.08/x
  3. Step 3: Cross multiply
    3,557.64x = 5,337.08 × 1,712.08
  4. Step 4: Simplify right side
    3,557.64x = 9,137,507.93
  5. Step 5: Solve for x
    x = 9,137,507.93/3,557.64
  6. Step 6: Final answer
    x = 2,568.42

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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.