Home / 1,515.13-2,273.27-591.34

Finding the Fourth Proportional to 1,515.13, 2,273.27 and 591.34

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Solution

The fourth proportional to 1,515.13, 2,273.27 and 591.34 is: 887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.13 : 2,273.27 = 591.34 : x
  2. Step 2: Convert to fraction form
    1,515.13/2,273.27 = 591.34/x
  3. Step 3: Cross multiply
    1,515.13x = 2,273.27 × 591.34
  4. Step 4: Simplify right side
    1,515.13x = 1,344,269.80
  5. Step 5: Solve for x
    x = 1,344,269.80/1,515.13
  6. Step 6: Final answer
    x = 887.23

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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.