Home / 2,649.20-3,655.67-1,454.13

Finding the Fourth Proportional to 2,649.20, 3,655.67 and 1,454.13

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Solution

The fourth proportional to 2,649.20, 3,655.67 and 1,454.13 is: 2,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.20 : 3,655.67 = 1,454.13 : x
  2. Step 2: Convert to fraction form
    2,649.20/3,655.67 = 1,454.13/x
  3. Step 3: Cross multiply
    2,649.20x = 3,655.67 × 1,454.13
  4. Step 4: Simplify right side
    2,649.20x = 5,315,812.15
  5. Step 5: Solve for x
    x = 5,315,812.15/2,649.20
  6. Step 6: Final answer
    x = 2,006.58

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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.