Home / 1,647.17-2,468.57-1,373.79

Finding the Fourth Proportional to 1,647.17, 2,468.57 and 1,373.79

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Solution

The fourth proportional to 1,647.17, 2,468.57 and 1,373.79 is: 2,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.17 : 2,468.57 = 1,373.79 : x
  2. Step 2: Convert to fraction form
    1,647.17/2,468.57 = 1,373.79/x
  3. Step 3: Cross multiply
    1,647.17x = 2,468.57 × 1,373.79
  4. Step 4: Simplify right side
    1,647.17x = 3,391,289.91
  5. Step 5: Solve for x
    x = 3,391,289.91/1,647.17
  6. Step 6: Final answer
    x = 2,058.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.