Home / 2,658.25-3,959.30-2,519.47

Finding the Fourth Proportional to 2,658.25, 3,959.30 and 2,519.47

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Solution

The fourth proportional to 2,658.25, 3,959.30 and 2,519.47 is: 3,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.25 : 3,959.30 = 2,519.47 : x
  2. Step 2: Convert to fraction form
    2,658.25/3,959.30 = 2,519.47/x
  3. Step 3: Cross multiply
    2,658.25x = 3,959.30 × 2,519.47
  4. Step 4: Simplify right side
    2,658.25x = 9,975,337.57
  5. Step 5: Solve for x
    x = 9,975,337.57/2,658.25
  6. Step 6: Final answer
    x = 3,752.60

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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.