Home / 2,658.15-4,007.14-2,479.75

Finding the Fourth Proportional to 2,658.15, 4,007.14 and 2,479.75

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Solution

The fourth proportional to 2,658.15, 4,007.14 and 2,479.75 is: 3,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.15 : 4,007.14 = 2,479.75 : x
  2. Step 2: Convert to fraction form
    2,658.15/4,007.14 = 2,479.75/x
  3. Step 3: Cross multiply
    2,658.15x = 4,007.14 × 2,479.75
  4. Step 4: Simplify right side
    2,658.15x = 9,936,689.20
  5. Step 5: Solve for x
    x = 9,936,689.20/2,658.15
  6. Step 6: Final answer
    x = 3,738.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.