Home / 2,481.12-3,723.84-1,616.40

Finding the Fourth Proportional to 2,481.12, 3,723.84 and 1,616.40

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Solution

The fourth proportional to 2,481.12, 3,723.84 and 1,616.40 is: 2,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.12 : 3,723.84 = 1,616.40 : x
  2. Step 2: Convert to fraction form
    2,481.12/3,723.84 = 1,616.40/x
  3. Step 3: Cross multiply
    2,481.12x = 3,723.84 × 1,616.40
  4. Step 4: Simplify right side
    2,481.12x = 6,019,214.98
  5. Step 5: Solve for x
    x = 6,019,214.98/2,481.12
  6. Step 6: Final answer
    x = 2,426.01

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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.