Home / 2,440.20-3,660.30-1,346.70

Finding the Fourth Proportional to 2,440.20, 3,660.30 and 1,346.70

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Solution

The fourth proportional to 2,440.20, 3,660.30 and 1,346.70 is: 2,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.20 : 3,660.30 = 1,346.70 : x
  2. Step 2: Convert to fraction form
    2,440.20/3,660.30 = 1,346.70/x
  3. Step 3: Cross multiply
    2,440.20x = 3,660.30 × 1,346.70
  4. Step 4: Simplify right side
    2,440.20x = 4,929,326.01
  5. Step 5: Solve for x
    x = 4,929,326.01/2,440.20
  6. Step 6: Final answer
    x = 2,020.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.