Home / 3,460.27-4,771.95-2,279.29

Finding the Fourth Proportional to 3,460.27, 4,771.95 and 2,279.29

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Solution

The fourth proportional to 3,460.27, 4,771.95 and 2,279.29 is: 3,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.27 : 4,771.95 = 2,279.29 : x
  2. Step 2: Convert to fraction form
    3,460.27/4,771.95 = 2,279.29/x
  3. Step 3: Cross multiply
    3,460.27x = 4,771.95 × 2,279.29
  4. Step 4: Simplify right side
    3,460.27x = 10,876,657.92
  5. Step 5: Solve for x
    x = 10,876,657.92/3,460.27
  6. Step 6: Final answer
    x = 3,143.30

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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.