Home / 2,649.18-3,655.14-1,654.62

Finding the Fourth Proportional to 2,649.18, 3,655.14 and 1,654.62

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Solution

The fourth proportional to 2,649.18, 3,655.14 and 1,654.62 is: 2,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.18 : 3,655.14 = 1,654.62 : x
  2. Step 2: Convert to fraction form
    2,649.18/3,655.14 = 1,654.62/x
  3. Step 3: Cross multiply
    2,649.18x = 3,655.14 × 1,654.62
  4. Step 4: Simplify right side
    2,649.18x = 6,047,867.75
  5. Step 5: Solve for x
    x = 6,047,867.75/2,649.18
  6. Step 6: Final answer
    x = 2,282.92

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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.