Home / 3,224.80-4,837.20-1,842.40

Finding the Fourth Proportional to 3,224.80, 4,837.20 and 1,842.40

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Solution

The fourth proportional to 3,224.80, 4,837.20 and 1,842.40 is: 2,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.80 : 4,837.20 = 1,842.40 : x
  2. Step 2: Convert to fraction form
    3,224.80/4,837.20 = 1,842.40/x
  3. Step 3: Cross multiply
    3,224.80x = 4,837.20 × 1,842.40
  4. Step 4: Simplify right side
    3,224.80x = 8,912,057.28
  5. Step 5: Solve for x
    x = 8,912,057.28/3,224.80
  6. Step 6: Final answer
    x = 2,763.60

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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.