Home / 3,040.80-4,562.55-1,480.20

Finding the Fourth Proportional to 3,040.80, 4,562.55 and 1,480.20

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Solution

The fourth proportional to 3,040.80, 4,562.55 and 1,480.20 is: 2,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.80 : 4,562.55 = 1,480.20 : x
  2. Step 2: Convert to fraction form
    3,040.80/4,562.55 = 1,480.20/x
  3. Step 3: Cross multiply
    3,040.80x = 4,562.55 × 1,480.20
  4. Step 4: Simplify right side
    3,040.80x = 6,753,486.51
  5. Step 5: Solve for x
    x = 6,753,486.51/3,040.80
  6. Step 6: Final answer
    x = 2,220.96

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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.