Home / 3,279.70-4,526.61-2,274.13

Finding the Fourth Proportional to 3,279.70, 4,526.61 and 2,274.13

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Solution

The fourth proportional to 3,279.70, 4,526.61 and 2,274.13 is: 3,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.70 : 4,526.61 = 2,274.13 : x
  2. Step 2: Convert to fraction form
    3,279.70/4,526.61 = 2,274.13/x
  3. Step 3: Cross multiply
    3,279.70x = 4,526.61 × 2,274.13
  4. Step 4: Simplify right side
    3,279.70x = 10,294,109.52
  5. Step 5: Solve for x
    x = 10,294,109.52/3,279.70
  6. Step 6: Final answer
    x = 3,138.74

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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.