Home / 2,327.63-3,212.15-1,279.71

Finding the Fourth Proportional to 2,327.63, 3,212.15 and 1,279.71

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Solution

The fourth proportional to 2,327.63, 3,212.15 and 1,279.71 is: 1,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.63 : 3,212.15 = 1,279.71 : x
  2. Step 2: Convert to fraction form
    2,327.63/3,212.15 = 1,279.71/x
  3. Step 3: Cross multiply
    2,327.63x = 3,212.15 × 1,279.71
  4. Step 4: Simplify right side
    2,327.63x = 4,110,614.08
  5. Step 5: Solve for x
    x = 4,110,614.08/2,327.63
  6. Step 6: Final answer
    x = 1,766.01

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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.