Home / 3,853.52-5,317.55-2,174.85

Finding the Fourth Proportional to 3,853.52, 5,317.55 and 2,174.85

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Solution

The fourth proportional to 3,853.52, 5,317.55 and 2,174.85 is: 3,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.52 : 5,317.55 = 2,174.85 : x
  2. Step 2: Convert to fraction form
    3,853.52/5,317.55 = 2,174.85/x
  3. Step 3: Cross multiply
    3,853.52x = 5,317.55 × 2,174.85
  4. Step 4: Simplify right side
    3,853.52x = 11,564,870.90
  5. Step 5: Solve for x
    x = 11,564,870.90/3,853.52
  6. Step 6: Final answer
    x = 3,001.12

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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.