Home / 2,980.22-4,470.33-1,248.84

Finding the Fourth Proportional to 2,980.22, 4,470.33 and 1,248.84

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Solution

The fourth proportional to 2,980.22, 4,470.33 and 1,248.84 is: 1,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.22 : 4,470.33 = 1,248.84 : x
  2. Step 2: Convert to fraction form
    2,980.22/4,470.33 = 1,248.84/x
  3. Step 3: Cross multiply
    2,980.22x = 4,470.33 × 1,248.84
  4. Step 4: Simplify right side
    2,980.22x = 5,582,726.92
  5. Step 5: Solve for x
    x = 5,582,726.92/2,980.22
  6. Step 6: Final answer
    x = 1,873.26

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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.