Home / 3,159.27-4,359.96-2,319.57

Finding the Fourth Proportional to 3,159.27, 4,359.96 and 2,319.57

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Solution

The fourth proportional to 3,159.27, 4,359.96 and 2,319.57 is: 3,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.27 : 4,359.96 = 2,319.57 : x
  2. Step 2: Convert to fraction form
    3,159.27/4,359.96 = 2,319.57/x
  3. Step 3: Cross multiply
    3,159.27x = 4,359.96 × 2,319.57
  4. Step 4: Simplify right side
    3,159.27x = 10,113,232.42
  5. Step 5: Solve for x
    x = 10,113,232.42/3,159.27
  6. Step 6: Final answer
    x = 3,201.13

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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.