Home / 2,279.01-3,145.65-1,334.95

Finding the Fourth Proportional to 2,279.01, 3,145.65 and 1,334.95

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Solution

The fourth proportional to 2,279.01, 3,145.65 and 1,334.95 is: 1,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.01 : 3,145.65 = 1,334.95 : x
  2. Step 2: Convert to fraction form
    2,279.01/3,145.65 = 1,334.95/x
  3. Step 3: Cross multiply
    2,279.01x = 3,145.65 × 1,334.95
  4. Step 4: Simplify right side
    2,279.01x = 4,199,285.47
  5. Step 5: Solve for x
    x = 4,199,285.47/2,279.01
  6. Step 6: Final answer
    x = 1,842.59

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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.