Home / 3,248.35-4,481.66-1,988.10

Finding the Fourth Proportional to 3,248.35, 4,481.66 and 1,988.10

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Solution

The fourth proportional to 3,248.35, 4,481.66 and 1,988.10 is: 2,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.35 : 4,481.66 = 1,988.10 : x
  2. Step 2: Convert to fraction form
    3,248.35/4,481.66 = 1,988.10/x
  3. Step 3: Cross multiply
    3,248.35x = 4,481.66 × 1,988.10
  4. Step 4: Simplify right side
    3,248.35x = 8,909,965.84
  5. Step 5: Solve for x
    x = 8,909,965.84/3,248.35
  6. Step 6: Final answer
    x = 2,742.92

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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.