Home / 3,691.21-5,530.67-2,649.65

Finding the Fourth Proportional to 3,691.21, 5,530.67 and 2,649.65

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Solution

The fourth proportional to 3,691.21, 5,530.67 and 2,649.65 is: 3,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.21 : 5,530.67 = 2,649.65 : x
  2. Step 2: Convert to fraction form
    3,691.21/5,530.67 = 2,649.65/x
  3. Step 3: Cross multiply
    3,691.21x = 5,530.67 × 2,649.65
  4. Step 4: Simplify right side
    3,691.21x = 14,654,340.34
  5. Step 5: Solve for x
    x = 14,654,340.34/3,691.21
  6. Step 6: Final answer
    x = 3,970.06

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1.5x scale

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.