Home / 2,948.18-4,422.80-1,304.78

Finding the Fourth Proportional to 2,948.18, 4,422.80 and 1,304.78

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Solution

The fourth proportional to 2,948.18, 4,422.80 and 1,304.78 is: 1,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.18 : 4,422.80 = 1,304.78 : x
  2. Step 2: Convert to fraction form
    2,948.18/4,422.80 = 1,304.78/x
  3. Step 3: Cross multiply
    2,948.18x = 4,422.80 × 1,304.78
  4. Step 4: Simplify right side
    2,948.18x = 5,770,762.13
  5. Step 5: Solve for x
    x = 5,770,762.13/2,948.18
  6. Step 6: Final answer
    x = 1,957.40

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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.