Home / 3,244.96-4,475.28-2,142.88

Finding the Fourth Proportional to 3,244.96, 4,475.28 and 2,142.88

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Solution

The fourth proportional to 3,244.96, 4,475.28 and 2,142.88 is: 2,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.96 : 4,475.28 = 2,142.88 : x
  2. Step 2: Convert to fraction form
    3,244.96/4,475.28 = 2,142.88/x
  3. Step 3: Cross multiply
    3,244.96x = 4,475.28 × 2,142.88
  4. Step 4: Simplify right side
    3,244.96x = 9,589,988.01
  5. Step 5: Solve for x
    x = 9,589,988.01/3,244.96
  6. Step 6: Final answer
    x = 2,955.35

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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.