Home / 3,248.63-4,486.75-2,198.87

Finding the Fourth Proportional to 3,248.63, 4,486.75 and 2,198.87

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Solution

The fourth proportional to 3,248.63, 4,486.75 and 2,198.87 is: 3,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.63 : 4,486.75 = 2,198.87 : x
  2. Step 2: Convert to fraction form
    3,248.63/4,486.75 = 2,198.87/x
  3. Step 3: Cross multiply
    3,248.63x = 4,486.75 × 2,198.87
  4. Step 4: Simplify right side
    3,248.63x = 9,865,752.04
  5. Step 5: Solve for x
    x = 9,865,752.04/3,248.63
  6. Step 6: Final answer
    x = 3,036.90

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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.