Home / 3,439.13-4,747.07-2,197.13

Finding the Fourth Proportional to 3,439.13, 4,747.07 and 2,197.13

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Solution

The fourth proportional to 3,439.13, 4,747.07 and 2,197.13 is: 3,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.13 : 4,747.07 = 2,197.13 : x
  2. Step 2: Convert to fraction form
    3,439.13/4,747.07 = 2,197.13/x
  3. Step 3: Cross multiply
    3,439.13x = 4,747.07 × 2,197.13
  4. Step 4: Simplify right side
    3,439.13x = 10,429,911.67
  5. Step 5: Solve for x
    x = 10,429,911.67/3,439.13
  6. Step 6: Final answer
    x = 3,032.72

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1.5x scale

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.