Home / 3,358.60-5,034.30-1,277.80

Finding the Fourth Proportional to 3,358.60, 5,034.30 and 1,277.80

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Solution

The fourth proportional to 3,358.60, 5,034.30 and 1,277.80 is: 1,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.60 : 5,034.30 = 1,277.80 : x
  2. Step 2: Convert to fraction form
    3,358.60/5,034.30 = 1,277.80/x
  3. Step 3: Cross multiply
    3,358.60x = 5,034.30 × 1,277.80
  4. Step 4: Simplify right side
    3,358.60x = 6,432,828.54
  5. Step 5: Solve for x
    x = 6,432,828.54/3,358.60
  6. Step 6: Final answer
    x = 1,915.33

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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.