Home / 3,132.92-4,672.82-2,642.58

Finding the Fourth Proportional to 3,132.92, 4,672.82 and 2,642.58

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Solution

The fourth proportional to 3,132.92, 4,672.82 and 2,642.58 is: 3,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.92 : 4,672.82 = 2,642.58 : x
  2. Step 2: Convert to fraction form
    3,132.92/4,672.82 = 2,642.58/x
  3. Step 3: Cross multiply
    3,132.92x = 4,672.82 × 2,642.58
  4. Step 4: Simplify right side
    3,132.92x = 12,348,300.68
  5. Step 5: Solve for x
    x = 12,348,300.68/3,132.92
  6. Step 6: Final answer
    x = 3,941.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.