Home / 2,301.12-3,449.70-915.44

Finding the Fourth Proportional to 2,301.12, 3,449.70 and 915.44

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Solution

The fourth proportional to 2,301.12, 3,449.70 and 915.44 is: 1,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.12 : 3,449.70 = 915.44 : x
  2. Step 2: Convert to fraction form
    2,301.12/3,449.70 = 915.44/x
  3. Step 3: Cross multiply
    2,301.12x = 3,449.70 × 915.44
  4. Step 4: Simplify right side
    2,301.12x = 3,157,976.12
  5. Step 5: Solve for x
    x = 3,157,976.12/2,301.12
  6. Step 6: Final answer
    x = 1,372.36

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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.