Home / 2,301.40-3,452.14-915.38

Finding the Fourth Proportional to 2,301.40, 3,452.14 and 915.38

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Solution

The fourth proportional to 2,301.40, 3,452.14 and 915.38 is: 1,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.40 : 3,452.14 = 915.38 : x
  2. Step 2: Convert to fraction form
    2,301.40/3,452.14 = 915.38/x
  3. Step 3: Cross multiply
    2,301.40x = 3,452.14 × 915.38
  4. Step 4: Simplify right side
    2,301.40x = 3,160,019.91
  5. Step 5: Solve for x
    x = 3,160,019.91/2,301.40
  6. Step 6: Final answer
    x = 1,373.09

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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.