Home / 3,742.31-5,165.00-2,251.05

Finding the Fourth Proportional to 3,742.31, 5,165.00 and 2,251.05

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Solution

The fourth proportional to 3,742.31, 5,165.00 and 2,251.05 is: 3,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.31 : 5,165.00 = 2,251.05 : x
  2. Step 2: Convert to fraction form
    3,742.31/5,165.00 = 2,251.05/x
  3. Step 3: Cross multiply
    3,742.31x = 5,165.00 × 2,251.05
  4. Step 4: Simplify right side
    3,742.31x = 11,626,665.59
  5. Step 5: Solve for x
    x = 11,626,665.59/3,742.31
  6. Step 6: Final answer
    x = 3,106.82

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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.