Home / 1,534.28-2,298.40-1,012.70

Finding the Fourth Proportional to 1,534.28, 2,298.40 and 1,012.70

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Solution

The fourth proportional to 1,534.28, 2,298.40 and 1,012.70 is: 1,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.28 : 2,298.40 = 1,012.70 : x
  2. Step 2: Convert to fraction form
    1,534.28/2,298.40 = 1,012.70/x
  3. Step 3: Cross multiply
    1,534.28x = 2,298.40 × 1,012.70
  4. Step 4: Simplify right side
    1,534.28x = 2,327,589.68
  5. Step 5: Solve for x
    x = 2,327,589.68/1,534.28
  6. Step 6: Final answer
    x = 1,517.06

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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.