Home / 3,224.20-4,830.90-1,577.20

Finding the Fourth Proportional to 3,224.20, 4,830.90 and 1,577.20

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Solution

The fourth proportional to 3,224.20, 4,830.90 and 1,577.20 is: 2,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.20 : 4,830.90 = 1,577.20 : x
  2. Step 2: Convert to fraction form
    3,224.20/4,830.90 = 1,577.20/x
  3. Step 3: Cross multiply
    3,224.20x = 4,830.90 × 1,577.20
  4. Step 4: Simplify right side
    3,224.20x = 7,619,295.48
  5. Step 5: Solve for x
    x = 7,619,295.48/3,224.20
  6. Step 6: Final answer
    x = 2,363.16

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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.