Home / 2,642.20-3,646.18-1,463.24

Finding the Fourth Proportional to 2,642.20, 3,646.18 and 1,463.24

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Solution

The fourth proportional to 2,642.20, 3,646.18 and 1,463.24 is: 2,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.20 : 3,646.18 = 1,463.24 : x
  2. Step 2: Convert to fraction form
    2,642.20/3,646.18 = 1,463.24/x
  3. Step 3: Cross multiply
    2,642.20x = 3,646.18 × 1,463.24
  4. Step 4: Simplify right side
    2,642.20x = 5,335,236.42
  5. Step 5: Solve for x
    x = 5,335,236.42/2,642.20
  6. Step 6: Final answer
    x = 2,019.24

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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.