Home / 3,035.20-4,543.20-2,939.20

Finding the Fourth Proportional to 3,035.20, 4,543.20 and 2,939.20

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Solution

The fourth proportional to 3,035.20, 4,543.20 and 2,939.20 is: 4,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.20 : 4,543.20 = 2,939.20 : x
  2. Step 2: Convert to fraction form
    3,035.20/4,543.20 = 2,939.20/x
  3. Step 3: Cross multiply
    3,035.20x = 4,543.20 × 2,939.20
  4. Step 4: Simplify right side
    3,035.20x = 13,353,373.44
  5. Step 5: Solve for x
    x = 13,353,373.44/3,035.20
  6. Step 6: Final answer
    x = 4,399.50

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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.