Home / 2,401.59-3,313.92-1,353.66

Finding the Fourth Proportional to 2,401.59, 3,313.92 and 1,353.66

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Solution

The fourth proportional to 2,401.59, 3,313.92 and 1,353.66 is: 1,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.59 : 3,313.92 = 1,353.66 : x
  2. Step 2: Convert to fraction form
    2,401.59/3,313.92 = 1,353.66/x
  3. Step 3: Cross multiply
    2,401.59x = 3,313.92 × 1,353.66
  4. Step 4: Simplify right side
    2,401.59x = 4,485,920.95
  5. Step 5: Solve for x
    x = 4,485,920.95/2,401.59
  6. Step 6: Final answer
    x = 1,867.90

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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.