Home / 1,349.57-2,023.55-915.41

Finding the Fourth Proportional to 1,349.57, 2,023.55 and 915.41

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Solution

The fourth proportional to 1,349.57, 2,023.55 and 915.41 is: 1,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.57 : 2,023.55 = 915.41 : x
  2. Step 2: Convert to fraction form
    1,349.57/2,023.55 = 915.41/x
  3. Step 3: Cross multiply
    1,349.57x = 2,023.55 × 915.41
  4. Step 4: Simplify right side
    1,349.57x = 1,852,373.33
  5. Step 5: Solve for x
    x = 1,852,373.33/1,349.57
  6. Step 6: Final answer
    x = 1,372.57

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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.