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Finding the Fourth Proportional to 1,737.72, 2,607.12 and 958.32

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Solution

The fourth proportional to 1,737.72, 2,607.12 and 958.32 is: 1,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.72 : 2,607.12 = 958.32 : x
  2. Step 2: Convert to fraction form
    1,737.72/2,607.12 = 958.32/x
  3. Step 3: Cross multiply
    1,737.72x = 2,607.12 × 958.32
  4. Step 4: Simplify right side
    1,737.72x = 2,498,455.24
  5. Step 5: Solve for x
    x = 2,498,455.24/1,737.72
  6. Step 6: Final answer
    x = 1,437.78

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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.