Home / 2,334.40-3,221.76-1,451.20

Finding the Fourth Proportional to 2,334.40, 3,221.76 and 1,451.20

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Solution

The fourth proportional to 2,334.40, 3,221.76 and 1,451.20 is: 2,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.40 : 3,221.76 = 1,451.20 : x
  2. Step 2: Convert to fraction form
    2,334.40/3,221.76 = 1,451.20/x
  3. Step 3: Cross multiply
    2,334.40x = 3,221.76 × 1,451.20
  4. Step 4: Simplify right side
    2,334.40x = 4,675,418.11
  5. Step 5: Solve for x
    x = 4,675,418.11/2,334.40
  6. Step 6: Final answer
    x = 2,002.84

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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.