Home / 3,248.59-4,481.85-2,130.14

Finding the Fourth Proportional to 3,248.59, 4,481.85 and 2,130.14

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Solution

The fourth proportional to 3,248.59, 4,481.85 and 2,130.14 is: 2,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.59 : 4,481.85 = 2,130.14 : x
  2. Step 2: Convert to fraction form
    3,248.59/4,481.85 = 2,130.14/x
  3. Step 3: Cross multiply
    3,248.59x = 4,481.85 × 2,130.14
  4. Step 4: Simplify right side
    3,248.59x = 9,546,967.96
  5. Step 5: Solve for x
    x = 9,546,967.96/3,248.59
  6. Step 6: Final answer
    x = 2,938.80

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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.