Home / 3,407.39-4,702.33-2,081.69

Finding the Fourth Proportional to 3,407.39, 4,702.33 and 2,081.69

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Solution

The fourth proportional to 3,407.39, 4,702.33 and 2,081.69 is: 2,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.39 : 4,702.33 = 2,081.69 : x
  2. Step 2: Convert to fraction form
    3,407.39/4,702.33 = 2,081.69/x
  3. Step 3: Cross multiply
    3,407.39x = 4,702.33 × 2,081.69
  4. Step 4: Simplify right side
    3,407.39x = 9,788,793.34
  5. Step 5: Solve for x
    x = 9,788,793.34/3,407.39
  6. Step 6: Final answer
    x = 2,872.81

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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.