Home / 2,498.21-3,447.95-2,387.49

Finding the Fourth Proportional to 2,498.21, 3,447.95 and 2,387.49

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Solution

The fourth proportional to 2,498.21, 3,447.95 and 2,387.49 is: 3,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.21 : 3,447.95 = 2,387.49 : x
  2. Step 2: Convert to fraction form
    2,498.21/3,447.95 = 2,387.49/x
  3. Step 3: Cross multiply
    2,498.21x = 3,447.95 × 2,387.49
  4. Step 4: Simplify right side
    2,498.21x = 8,231,934.21
  5. Step 5: Solve for x
    x = 8,231,934.21/2,498.21
  6. Step 6: Final answer
    x = 3,295.13

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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.