Home / 1,036.20-1,429.88-741.96

Finding the Fourth Proportional to 1,036.20, 1,429.88 and 741.96

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Solution

The fourth proportional to 1,036.20, 1,429.88 and 741.96 is: 1,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.20 : 1,429.88 = 741.96 : x
  2. Step 2: Convert to fraction form
    1,036.20/1,429.88 = 741.96/x
  3. Step 3: Cross multiply
    1,036.20x = 1,429.88 × 741.96
  4. Step 4: Simplify right side
    1,036.20x = 1,060,913.76
  5. Step 5: Solve for x
    x = 1,060,913.76/1,036.20
  6. Step 6: Final answer
    x = 1,023.85

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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.