Home / 2,862.27-4,288.55-2,279.07

Finding the Fourth Proportional to 2,862.27, 4,288.55 and 2,279.07

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Solution

The fourth proportional to 2,862.27, 4,288.55 and 2,279.07 is: 3,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.27 : 4,288.55 = 2,279.07 : x
  2. Step 2: Convert to fraction form
    2,862.27/4,288.55 = 2,279.07/x
  3. Step 3: Cross multiply
    2,862.27x = 4,288.55 × 2,279.07
  4. Step 4: Simplify right side
    2,862.27x = 9,773,894.25
  5. Step 5: Solve for x
    x = 9,773,894.25/2,862.27
  6. Step 6: Final answer
    x = 3,414.74

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1.5x scale

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.