Home / 3,505.29-5,250.78-2,184.72

Finding the Fourth Proportional to 3,505.29, 5,250.78 and 2,184.72

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Solution

The fourth proportional to 3,505.29, 5,250.78 and 2,184.72 is: 3,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.29 : 5,250.78 = 2,184.72 : x
  2. Step 2: Convert to fraction form
    3,505.29/5,250.78 = 2,184.72/x
  3. Step 3: Cross multiply
    3,505.29x = 5,250.78 × 2,184.72
  4. Step 4: Simplify right side
    3,505.29x = 11,471,484.08
  5. Step 5: Solve for x
    x = 11,471,484.08/3,505.29
  6. Step 6: Final answer
    x = 3,272.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.