Home / 2,642.43-3,646.65-1,463.42

Finding the Fourth Proportional to 2,642.43, 3,646.65 and 1,463.42

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Solution

The fourth proportional to 2,642.43, 3,646.65 and 1,463.42 is: 2,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.43 : 3,646.65 = 1,463.42 : x
  2. Step 2: Convert to fraction form
    2,642.43/3,646.65 = 1,463.42/x
  3. Step 3: Cross multiply
    2,642.43x = 3,646.65 × 1,463.42
  4. Step 4: Simplify right side
    2,642.43x = 5,336,562.31
  5. Step 5: Solve for x
    x = 5,336,562.31/2,642.43
  6. Step 6: Final answer
    x = 2,019.57

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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.