Home / 4,332.48-5,979-2,540.20

Finding the Fourth Proportional to 4,332.48, 5,979 and 2,540.20

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Solution

The fourth proportional to 4,332.48, 5,979 and 2,540.20 is: 3,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.48 : 5,979 = 2,540.20 : x
  2. Step 2: Convert to fraction form
    4,332.48/5,979 = 2,540.20/x
  3. Step 3: Cross multiply
    4,332.48x = 5,979 × 2,540.20
  4. Step 4: Simplify right side
    4,332.48x = 15,187,855.80
  5. Step 5: Solve for x
    x = 15,187,855.80/4,332.48
  6. Step 6: Final answer
    x = 3,505.58

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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.