Home / 2,948.20-4,422.30-1,303.90

Finding the Fourth Proportional to 2,948.20, 4,422.30 and 1,303.90

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Solution

The fourth proportional to 2,948.20, 4,422.30 and 1,303.90 is: 1,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.20 : 4,422.30 = 1,303.90 : x
  2. Step 2: Convert to fraction form
    2,948.20/4,422.30 = 1,303.90/x
  3. Step 3: Cross multiply
    2,948.20x = 4,422.30 × 1,303.90
  4. Step 4: Simplify right side
    2,948.20x = 5,766,236.97
  5. Step 5: Solve for x
    x = 5,766,236.97/2,948.20
  6. Step 6: Final answer
    x = 1,955.85

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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.