Home / 2,279.52-3,421.44-1,126.08

Finding the Fourth Proportional to 2,279.52, 3,421.44 and 1,126.08

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Solution

The fourth proportional to 2,279.52, 3,421.44 and 1,126.08 is: 1,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.52 : 3,421.44 = 1,126.08 : x
  2. Step 2: Convert to fraction form
    2,279.52/3,421.44 = 1,126.08/x
  3. Step 3: Cross multiply
    2,279.52x = 3,421.44 × 1,126.08
  4. Step 4: Simplify right side
    2,279.52x = 3,852,815.16
  5. Step 5: Solve for x
    x = 3,852,815.16/2,279.52
  6. Step 6: Final answer
    x = 1,690.19

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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.