Home / 1,747.98-2,617.70-1,685.12

Finding the Fourth Proportional to 1,747.98, 2,617.70 and 1,685.12

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Solution

The fourth proportional to 1,747.98, 2,617.70 and 1,685.12 is: 2,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.98 : 2,617.70 = 1,685.12 : x
  2. Step 2: Convert to fraction form
    1,747.98/2,617.70 = 1,685.12/x
  3. Step 3: Cross multiply
    1,747.98x = 2,617.70 × 1,685.12
  4. Step 4: Simplify right side
    1,747.98x = 4,411,138.62
  5. Step 5: Solve for x
    x = 4,411,138.62/1,747.98
  6. Step 6: Final answer
    x = 2,523.56

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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.