Home / 2,401.20-3,313.56-1,353.46

Finding the Fourth Proportional to 2,401.20, 3,313.56 and 1,353.46

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Solution

The fourth proportional to 2,401.20, 3,313.56 and 1,353.46 is: 1,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.20 : 3,313.56 = 1,353.46 : x
  2. Step 2: Convert to fraction form
    2,401.20/3,313.56 = 1,353.46/x
  3. Step 3: Cross multiply
    2,401.20x = 3,313.56 × 1,353.46
  4. Step 4: Simplify right side
    2,401.20x = 4,484,770.92
  5. Step 5: Solve for x
    x = 4,484,770.92/2,401.20
  6. Step 6: Final answer
    x = 1,867.72

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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.