Home / 2,642.81-3,646.94-1,463.79

Finding the Fourth Proportional to 2,642.81, 3,646.94 and 1,463.79

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Solution

The fourth proportional to 2,642.81, 3,646.94 and 1,463.79 is: 2,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.81 : 3,646.94 = 1,463.79 : x
  2. Step 2: Convert to fraction form
    2,642.81/3,646.94 = 1,463.79/x
  3. Step 3: Cross multiply
    2,642.81x = 3,646.94 × 1,463.79
  4. Step 4: Simplify right side
    2,642.81x = 5,338,346.98
  5. Step 5: Solve for x
    x = 5,338,346.98/2,642.81
  6. Step 6: Final answer
    x = 2,019.95

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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.