Home / 3,159.14-4,359.76-1,761.62

Finding the Fourth Proportional to 3,159.14, 4,359.76 and 1,761.62

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Solution

The fourth proportional to 3,159.14, 4,359.76 and 1,761.62 is: 2,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.14 : 4,359.76 = 1,761.62 : x
  2. Step 2: Convert to fraction form
    3,159.14/4,359.76 = 1,761.62/x
  3. Step 3: Cross multiply
    3,159.14x = 4,359.76 × 1,761.62
  4. Step 4: Simplify right side
    3,159.14x = 7,680,214.21
  5. Step 5: Solve for x
    x = 7,680,214.21/3,159.14
  6. Step 6: Final answer
    x = 2,431.11

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1.5x scale

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.