Home / 3,040.20-4,560.03-1,479.60

Finding the Fourth Proportional to 3,040.20, 4,560.03 and 1,479.60

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Solution

The fourth proportional to 3,040.20, 4,560.03 and 1,479.60 is: 2,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.20 : 4,560.03 = 1,479.60 : x
  2. Step 2: Convert to fraction form
    3,040.20/4,560.03 = 1,479.60/x
  3. Step 3: Cross multiply
    3,040.20x = 4,560.03 × 1,479.60
  4. Step 4: Simplify right side
    3,040.20x = 6,747,020.39
  5. Step 5: Solve for x
    x = 6,747,020.39/3,040.20
  6. Step 6: Final answer
    x = 2,219.27

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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.