Home / 2,207.28-3,046.34-1,357.04

Finding the Fourth Proportional to 2,207.28, 3,046.34 and 1,357.04

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Solution

The fourth proportional to 2,207.28, 3,046.34 and 1,357.04 is: 1,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.28 : 3,046.34 = 1,357.04 : x
  2. Step 2: Convert to fraction form
    2,207.28/3,046.34 = 1,357.04/x
  3. Step 3: Cross multiply
    2,207.28x = 3,046.34 × 1,357.04
  4. Step 4: Simplify right side
    2,207.28x = 4,134,005.23
  5. Step 5: Solve for x
    x = 4,134,005.23/2,207.28
  6. Step 6: Final answer
    x = 1,872.90

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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.