Home / 2,257.30-3,114.75-1,373.20

Finding the Fourth Proportional to 2,257.30, 3,114.75 and 1,373.20

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Solution

The fourth proportional to 2,257.30, 3,114.75 and 1,373.20 is: 1,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.30 : 3,114.75 = 1,373.20 : x
  2. Step 2: Convert to fraction form
    2,257.30/3,114.75 = 1,373.20/x
  3. Step 3: Cross multiply
    2,257.30x = 3,114.75 × 1,373.20
  4. Step 4: Simplify right side
    2,257.30x = 4,277,174.70
  5. Step 5: Solve for x
    x = 4,277,174.70/2,257.30
  6. Step 6: Final answer
    x = 1,894.82

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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.