Home / 2,327.28-3,211.90-1,332.66

Finding the Fourth Proportional to 2,327.28, 3,211.90 and 1,332.66

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Solution

The fourth proportional to 2,327.28, 3,211.90 and 1,332.66 is: 1,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.28 : 3,211.90 = 1,332.66 : x
  2. Step 2: Convert to fraction form
    2,327.28/3,211.90 = 1,332.66/x
  3. Step 3: Cross multiply
    2,327.28x = 3,211.90 × 1,332.66
  4. Step 4: Simplify right side
    2,327.28x = 4,280,370.65
  5. Step 5: Solve for x
    x = 4,280,370.65/2,327.28
  6. Step 6: Final answer
    x = 1,839.22

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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.