Home / 3,040.20-4,559.70-1,480.20

Finding the Fourth Proportional to 3,040.20, 4,559.70 and 1,480.20

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Solution

The fourth proportional to 3,040.20, 4,559.70 and 1,480.20 is: 2,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.20 : 4,559.70 = 1,480.20 : x
  2. Step 2: Convert to fraction form
    3,040.20/4,559.70 = 1,480.20/x
  3. Step 3: Cross multiply
    3,040.20x = 4,559.70 × 1,480.20
  4. Step 4: Simplify right side
    3,040.20x = 6,749,267.94
  5. Step 5: Solve for x
    x = 6,749,267.94/3,040.20
  6. Step 6: Final answer
    x = 2,220.01

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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.