Home / 2,257.68-3,115.06-1,373.47

Finding the Fourth Proportional to 2,257.68, 3,115.06 and 1,373.47

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Solution

The fourth proportional to 2,257.68, 3,115.06 and 1,373.47 is: 1,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.68 : 3,115.06 = 1,373.47 : x
  2. Step 2: Convert to fraction form
    2,257.68/3,115.06 = 1,373.47/x
  3. Step 3: Cross multiply
    2,257.68x = 3,115.06 × 1,373.47
  4. Step 4: Simplify right side
    2,257.68x = 4,278,441.46
  5. Step 5: Solve for x
    x = 4,278,441.46/2,257.68
  6. Step 6: Final answer
    x = 1,895.06

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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.