Home / 3,440.60-4,747.95-1,868.66

Finding the Fourth Proportional to 3,440.60, 4,747.95 and 1,868.66

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Solution

The fourth proportional to 3,440.60, 4,747.95 and 1,868.66 is: 2,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.60 : 4,747.95 = 1,868.66 : x
  2. Step 2: Convert to fraction form
    3,440.60/4,747.95 = 1,868.66/x
  3. Step 3: Cross multiply
    3,440.60x = 4,747.95 × 1,868.66
  4. Step 4: Simplify right side
    3,440.60x = 8,872,304.25
  5. Step 5: Solve for x
    x = 8,872,304.25/3,440.60
  6. Step 6: Final answer
    x = 2,578.71

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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.