Home / 3,480.60-5,221.14-1,748.76

Finding the Fourth Proportional to 3,480.60, 5,221.14 and 1,748.76

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Solution

The fourth proportional to 3,480.60, 5,221.14 and 1,748.76 is: 2,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.60 : 5,221.14 = 1,748.76 : x
  2. Step 2: Convert to fraction form
    3,480.60/5,221.14 = 1,748.76/x
  3. Step 3: Cross multiply
    3,480.60x = 5,221.14 × 1,748.76
  4. Step 4: Simplify right side
    3,480.60x = 9,130,520.79
  5. Step 5: Solve for x
    x = 9,130,520.79/3,480.60
  6. Step 6: Final answer
    x = 2,623.26

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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.