Home / 2,642.40-3,646.44-1,463.44

Finding the Fourth Proportional to 2,642.40, 3,646.44 and 1,463.44

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Solution

The fourth proportional to 2,642.40, 3,646.44 and 1,463.44 is: 2,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.40 : 3,646.44 = 1,463.44 : x
  2. Step 2: Convert to fraction form
    2,642.40/3,646.44 = 1,463.44/x
  3. Step 3: Cross multiply
    2,642.40x = 3,646.44 × 1,463.44
  4. Step 4: Simplify right side
    2,642.40x = 5,336,346.15
  5. Step 5: Solve for x
    x = 5,336,346.15/2,642.40
  6. Step 6: Final answer
    x = 2,019.51

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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.