Home / 3,774.56-5,207.52-2,377.28

Finding the Fourth Proportional to 3,774.56, 5,207.52 and 2,377.28

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Solution

The fourth proportional to 3,774.56, 5,207.52 and 2,377.28 is: 3,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.56 : 5,207.52 = 2,377.28 : x
  2. Step 2: Convert to fraction form
    3,774.56/5,207.52 = 2,377.28/x
  3. Step 3: Cross multiply
    3,774.56x = 5,207.52 × 2,377.28
  4. Step 4: Simplify right side
    3,774.56x = 12,379,733.15
  5. Step 5: Solve for x
    x = 12,379,733.15/3,774.56
  6. Step 6: Final answer
    x = 3,279.78

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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.