Home / 3,278.60-4,918.05-1,304.63

Finding the Fourth Proportional to 3,278.60, 4,918.05 and 1,304.63

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Solution

The fourth proportional to 3,278.60, 4,918.05 and 1,304.63 is: 1,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.60 : 4,918.05 = 1,304.63 : x
  2. Step 2: Convert to fraction form
    3,278.60/4,918.05 = 1,304.63/x
  3. Step 3: Cross multiply
    3,278.60x = 4,918.05 × 1,304.63
  4. Step 4: Simplify right side
    3,278.60x = 6,416,235.57
  5. Step 5: Solve for x
    x = 6,416,235.57/3,278.60
  6. Step 6: Final answer
    x = 1,957.00

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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.