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Finding the Fourth Proportional to 1,737.36, 2,604.24 and 915.12

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Solution

The fourth proportional to 1,737.36, 2,604.24 and 915.12 is: 1,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.36 : 2,604.24 = 915.12 : x
  2. Step 2: Convert to fraction form
    1,737.36/2,604.24 = 915.12/x
  3. Step 3: Cross multiply
    1,737.36x = 2,604.24 × 915.12
  4. Step 4: Simplify right side
    1,737.36x = 2,383,192.11
  5. Step 5: Solve for x
    x = 2,383,192.11/1,737.36
  6. Step 6: Final answer
    x = 1,371.73

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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.