Home / 2,331.86-3,217.96-1,283.92

Finding the Fourth Proportional to 2,331.86, 3,217.96 and 1,283.92

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Solution

The fourth proportional to 2,331.86, 3,217.96 and 1,283.92 is: 1,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.86 : 3,217.96 = 1,283.92 : x
  2. Step 2: Convert to fraction form
    2,331.86/3,217.96 = 1,283.92/x
  3. Step 3: Cross multiply
    2,331.86x = 3,217.96 × 1,283.92
  4. Step 4: Simplify right side
    2,331.86x = 4,131,599.99
  5. Step 5: Solve for x
    x = 4,131,599.99/2,331.86
  6. Step 6: Final answer
    x = 1,771.81

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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.