Home / 2,279.91-3,125.76-2,238.39

Finding the Fourth Proportional to 2,279.91, 3,125.76 and 2,238.39

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Solution

The fourth proportional to 2,279.91, 3,125.76 and 2,238.39 is: 3,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.91 : 3,125.76 = 2,238.39 : x
  2. Step 2: Convert to fraction form
    2,279.91/3,125.76 = 2,238.39/x
  3. Step 3: Cross multiply
    2,279.91x = 3,125.76 × 2,238.39
  4. Step 4: Simplify right side
    2,279.91x = 6,996,669.93
  5. Step 5: Solve for x
    x = 6,996,669.93/2,279.91
  6. Step 6: Final answer
    x = 3,068.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.