Home / 3,180.26-4,387.47-2,294.12

Finding the Fourth Proportional to 3,180.26, 4,387.47 and 2,294.12

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Solution

The fourth proportional to 3,180.26, 4,387.47 and 2,294.12 is: 3,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.26 : 4,387.47 = 2,294.12 : x
  2. Step 2: Convert to fraction form
    3,180.26/4,387.47 = 2,294.12/x
  3. Step 3: Cross multiply
    3,180.26x = 4,387.47 × 2,294.12
  4. Step 4: Simplify right side
    3,180.26x = 10,065,385.04
  5. Step 5: Solve for x
    x = 10,065,385.04/3,180.26
  6. Step 6: Final answer
    x = 3,164.95

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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.