Home / 2,334.92-3,221.80-1,340.12

Finding the Fourth Proportional to 2,334.92, 3,221.80 and 1,340.12

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Solution

The fourth proportional to 2,334.92, 3,221.80 and 1,340.12 is: 1,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.92 : 3,221.80 = 1,340.12 : x
  2. Step 2: Convert to fraction form
    2,334.92/3,221.80 = 1,340.12/x
  3. Step 3: Cross multiply
    2,334.92x = 3,221.80 × 1,340.12
  4. Step 4: Simplify right side
    2,334.92x = 4,317,598.62
  5. Step 5: Solve for x
    x = 4,317,598.62/2,334.92
  6. Step 6: Final answer
    x = 1,849.14

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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.