Home / 4,019.20-6,029.70-1,553.80

Finding the Fourth Proportional to 4,019.20, 6,029.70 and 1,553.80

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Solution

The fourth proportional to 4,019.20, 6,029.70 and 1,553.80 is: 2,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.20 : 6,029.70 = 1,553.80 : x
  2. Step 2: Convert to fraction form
    4,019.20/6,029.70 = 1,553.80/x
  3. Step 3: Cross multiply
    4,019.20x = 6,029.70 × 1,553.80
  4. Step 4: Simplify right side
    4,019.20x = 9,368,947.86
  5. Step 5: Solve for x
    x = 9,368,947.86/4,019.20
  6. Step 6: Final answer
    x = 2,331.05

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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.