Home / 1,162.04-1,742.85-576.85

Finding the Fourth Proportional to 1,162.04, 1,742.85 and 576.85

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Solution

The fourth proportional to 1,162.04, 1,742.85 and 576.85 is: 865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.04 : 1,742.85 = 576.85 : x
  2. Step 2: Convert to fraction form
    1,162.04/1,742.85 = 576.85/x
  3. Step 3: Cross multiply
    1,162.04x = 1,742.85 × 576.85
  4. Step 4: Simplify right side
    1,162.04x = 1,005,363.02
  5. Step 5: Solve for x
    x = 1,005,363.02/1,162.04
  6. Step 6: Final answer
    x = 865.17

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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.