Home / 1,036.50-1,426.17-1,000.59

Finding the Fourth Proportional to 1,036.50, 1,426.17 and 1,000.59

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Solution

The fourth proportional to 1,036.50, 1,426.17 and 1,000.59 is: 1,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.50 : 1,426.17 = 1,000.59 : x
  2. Step 2: Convert to fraction form
    1,036.50/1,426.17 = 1,000.59/x
  3. Step 3: Cross multiply
    1,036.50x = 1,426.17 × 1,000.59
  4. Step 4: Simplify right side
    1,036.50x = 1,427,011.44
  5. Step 5: Solve for x
    x = 1,427,011.44/1,036.50
  6. Step 6: Final answer
    x = 1,376.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.