Home / 2,439.72-3,358.26-2,248.56

Finding the Fourth Proportional to 2,439.72, 3,358.26 and 2,248.56

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Solution

The fourth proportional to 2,439.72, 3,358.26 and 2,248.56 is: 3,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.72 : 3,358.26 = 2,248.56 : x
  2. Step 2: Convert to fraction form
    2,439.72/3,358.26 = 2,248.56/x
  3. Step 3: Cross multiply
    2,439.72x = 3,358.26 × 2,248.56
  4. Step 4: Simplify right side
    2,439.72x = 7,551,249.11
  5. Step 5: Solve for x
    x = 7,551,249.11/2,439.72
  6. Step 6: Final answer
    x = 3,095.13

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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.