Home / 2,334.74-3,221.85-1,340.37

Finding the Fourth Proportional to 2,334.74, 3,221.85 and 1,340.37

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Solution

The fourth proportional to 2,334.74, 3,221.85 and 1,340.37 is: 1,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.74 : 3,221.85 = 1,340.37 : x
  2. Step 2: Convert to fraction form
    2,334.74/3,221.85 = 1,340.37/x
  3. Step 3: Cross multiply
    2,334.74x = 3,221.85 × 1,340.37
  4. Step 4: Simplify right side
    2,334.74x = 4,318,471.08
  5. Step 5: Solve for x
    x = 4,318,471.08/2,334.74
  6. Step 6: Final answer
    x = 1,849.66

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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.