Home / 2,686.17-4,025.42-2,098.47

Finding the Fourth Proportional to 2,686.17, 4,025.42 and 2,098.47

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Solution

The fourth proportional to 2,686.17, 4,025.42 and 2,098.47 is: 3,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.17 : 4,025.42 = 2,098.47 : x
  2. Step 2: Convert to fraction form
    2,686.17/4,025.42 = 2,098.47/x
  3. Step 3: Cross multiply
    2,686.17x = 4,025.42 × 2,098.47
  4. Step 4: Simplify right side
    2,686.17x = 8,447,208.23
  5. Step 5: Solve for x
    x = 8,447,208.23/2,686.17
  6. Step 6: Final answer
    x = 3,144.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.