Home / 2,327.31-3,211.53-1,332.63

Finding the Fourth Proportional to 2,327.31, 3,211.53 and 1,332.63

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Solution

The fourth proportional to 2,327.31, 3,211.53 and 1,332.63 is: 1,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.31 : 3,211.53 = 1,332.63 : x
  2. Step 2: Convert to fraction form
    2,327.31/3,211.53 = 1,332.63/x
  3. Step 3: Cross multiply
    2,327.31x = 3,211.53 × 1,332.63
  4. Step 4: Simplify right side
    2,327.31x = 4,279,781.22
  5. Step 5: Solve for x
    x = 4,279,781.22/2,327.31
  6. Step 6: Final answer
    x = 1,838.94

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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.