Home / 3,669.90-5,504.85-1,480.20

Finding the Fourth Proportional to 3,669.90, 5,504.85 and 1,480.20

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Solution

The fourth proportional to 3,669.90, 5,504.85 and 1,480.20 is: 2,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.90 : 5,504.85 = 1,480.20 : x
  2. Step 2: Convert to fraction form
    3,669.90/5,504.85 = 1,480.20/x
  3. Step 3: Cross multiply
    3,669.90x = 5,504.85 × 1,480.20
  4. Step 4: Simplify right side
    3,669.90x = 8,148,278.97
  5. Step 5: Solve for x
    x = 8,148,278.97/3,669.90
  6. Step 6: Final answer
    x = 2,220.30

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1.5x scale

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.