Home / 2,712.46-4,068.68-1,132.96

Finding the Fourth Proportional to 2,712.46, 4,068.68 and 1,132.96

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Solution

The fourth proportional to 2,712.46, 4,068.68 and 1,132.96 is: 1,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.46 : 4,068.68 = 1,132.96 : x
  2. Step 2: Convert to fraction form
    2,712.46/4,068.68 = 1,132.96/x
  3. Step 3: Cross multiply
    2,712.46x = 4,068.68 × 1,132.96
  4. Step 4: Simplify right side
    2,712.46x = 4,609,651.69
  5. Step 5: Solve for x
    x = 4,609,651.69/2,712.46
  6. Step 6: Final answer
    x = 1,699.44

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1.5x scale

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.