Home / 3,680.34-5,077.65-2,262.57

Finding the Fourth Proportional to 3,680.34, 5,077.65 and 2,262.57

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Solution

The fourth proportional to 3,680.34, 5,077.65 and 2,262.57 is: 3,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.34 : 5,077.65 = 2,262.57 : x
  2. Step 2: Convert to fraction form
    3,680.34/5,077.65 = 2,262.57/x
  3. Step 3: Cross multiply
    3,680.34x = 5,077.65 × 2,262.57
  4. Step 4: Simplify right side
    3,680.34x = 11,488,538.56
  5. Step 5: Solve for x
    x = 11,488,538.56/3,680.34
  6. Step 6: Final answer
    x = 3,121.60

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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.