Home / 3,159.91-4,358.05-2,372.59

Finding the Fourth Proportional to 3,159.91, 4,358.05 and 2,372.59

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Solution

The fourth proportional to 3,159.91, 4,358.05 and 2,372.59 is: 3,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.91 : 4,358.05 = 2,372.59 : x
  2. Step 2: Convert to fraction form
    3,159.91/4,358.05 = 2,372.59/x
  3. Step 3: Cross multiply
    3,159.91x = 4,358.05 × 2,372.59
  4. Step 4: Simplify right side
    3,159.91x = 10,339,878.71
  5. Step 5: Solve for x
    x = 10,339,878.71/3,159.91
  6. Step 6: Final answer
    x = 3,272.21

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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.