Home / 3,248.96-4,486.68-2,256.80

Finding the Fourth Proportional to 3,248.96, 4,486.68 and 2,256.80

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Solution

The fourth proportional to 3,248.96, 4,486.68 and 2,256.80 is: 3,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.96 : 4,486.68 = 2,256.80 : x
  2. Step 2: Convert to fraction form
    3,248.96/4,486.68 = 2,256.80/x
  3. Step 3: Cross multiply
    3,248.96x = 4,486.68 × 2,256.80
  4. Step 4: Simplify right side
    3,248.96x = 10,125,539.42
  5. Step 5: Solve for x
    x = 10,125,539.42/3,248.96
  6. Step 6: Final answer
    x = 3,116.55

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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.