Home / 2,862.19-3,951.72-2,197.84

Finding the Fourth Proportional to 2,862.19, 3,951.72 and 2,197.84

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Solution

The fourth proportional to 2,862.19, 3,951.72 and 2,197.84 is: 3,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.19 : 3,951.72 = 2,197.84 : x
  2. Step 2: Convert to fraction form
    2,862.19/3,951.72 = 2,197.84/x
  3. Step 3: Cross multiply
    2,862.19x = 3,951.72 × 2,197.84
  4. Step 4: Simplify right side
    2,862.19x = 8,685,248.28
  5. Step 5: Solve for x
    x = 8,685,248.28/2,862.19
  6. Step 6: Final answer
    x = 3,034.48

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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.