Home / 2,246.15-3,369.38-686.04

Finding the Fourth Proportional to 2,246.15, 3,369.38 and 686.04

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Solution

The fourth proportional to 2,246.15, 3,369.38 and 686.04 is: 1,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.15 : 3,369.38 = 686.04 : x
  2. Step 2: Convert to fraction form
    2,246.15/3,369.38 = 686.04/x
  3. Step 3: Cross multiply
    2,246.15x = 3,369.38 × 686.04
  4. Step 4: Simplify right side
    2,246.15x = 2,311,526.03
  5. Step 5: Solve for x
    x = 2,311,526.03/2,246.15
  6. Step 6: Final answer
    x = 1,029.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.