Home / 1,737.30-2,606.43-915.36

Finding the Fourth Proportional to 1,737.30, 2,606.43 and 915.36

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Solution

The fourth proportional to 1,737.30, 2,606.43 and 915.36 is: 1,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.30 : 2,606.43 = 915.36 : x
  2. Step 2: Convert to fraction form
    1,737.30/2,606.43 = 915.36/x
  3. Step 3: Cross multiply
    1,737.30x = 2,606.43 × 915.36
  4. Step 4: Simplify right side
    1,737.30x = 2,385,821.76
  5. Step 5: Solve for x
    x = 2,385,821.76/1,737.30
  6. Step 6: Final answer
    x = 1,373.29

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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.