Home / 2,254.24-3,381.36-715.36

Finding the Fourth Proportional to 2,254.24, 3,381.36 and 715.36

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Solution

The fourth proportional to 2,254.24, 3,381.36 and 715.36 is: 1,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.24 : 3,381.36 = 715.36 : x
  2. Step 2: Convert to fraction form
    2,254.24/3,381.36 = 715.36/x
  3. Step 3: Cross multiply
    2,254.24x = 3,381.36 × 715.36
  4. Step 4: Simplify right side
    2,254.24x = 2,418,889.69
  5. Step 5: Solve for x
    x = 2,418,889.69/2,254.24
  6. Step 6: Final answer
    x = 1,073.04

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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.