Home / 3,652.90-5,480.80-1,803.96

Finding the Fourth Proportional to 3,652.90, 5,480.80 and 1,803.96

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Solution

The fourth proportional to 3,652.90, 5,480.80 and 1,803.96 is: 2,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.90 : 5,480.80 = 1,803.96 : x
  2. Step 2: Convert to fraction form
    3,652.90/5,480.80 = 1,803.96/x
  3. Step 3: Cross multiply
    3,652.90x = 5,480.80 × 1,803.96
  4. Step 4: Simplify right side
    3,652.90x = 9,887,143.97
  5. Step 5: Solve for x
    x = 9,887,143.97/3,652.90
  6. Step 6: Final answer
    x = 2,706.66

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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.