Home / 3,081.08-4,250.64-1,753.72

Finding the Fourth Proportional to 3,081.08, 4,250.64 and 1,753.72

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Solution

The fourth proportional to 3,081.08, 4,250.64 and 1,753.72 is: 2,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.08 : 4,250.64 = 1,753.72 : x
  2. Step 2: Convert to fraction form
    3,081.08/4,250.64 = 1,753.72/x
  3. Step 3: Cross multiply
    3,081.08x = 4,250.64 × 1,753.72
  4. Step 4: Simplify right side
    3,081.08x = 7,454,432.38
  5. Step 5: Solve for x
    x = 7,454,432.38/3,081.08
  6. Step 6: Final answer
    x = 2,419.42

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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.