Home / 3,244.65-4,478.03-2,126.53

Finding the Fourth Proportional to 3,244.65, 4,478.03 and 2,126.53

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Solution

The fourth proportional to 3,244.65, 4,478.03 and 2,126.53 is: 2,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.65 : 4,478.03 = 2,126.53 : x
  2. Step 2: Convert to fraction form
    3,244.65/4,478.03 = 2,126.53/x
  3. Step 3: Cross multiply
    3,244.65x = 4,478.03 × 2,126.53
  4. Step 4: Simplify right side
    3,244.65x = 9,522,665.14
  5. Step 5: Solve for x
    x = 9,522,665.14/3,244.65
  6. Step 6: Final answer
    x = 2,934.88

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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.