Home / 3,081.39-4,248.48-2,017.74

Finding the Fourth Proportional to 3,081.39, 4,248.48 and 2,017.74

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Solution

The fourth proportional to 3,081.39, 4,248.48 and 2,017.74 is: 2,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.39 : 4,248.48 = 2,017.74 : x
  2. Step 2: Convert to fraction form
    3,081.39/4,248.48 = 2,017.74/x
  3. Step 3: Cross multiply
    3,081.39x = 4,248.48 × 2,017.74
  4. Step 4: Simplify right side
    3,081.39x = 8,572,298.66
  5. Step 5: Solve for x
    x = 8,572,298.66/3,081.39
  6. Step 6: Final answer
    x = 2,781.96

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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.