Home / 3,810.56-5,713.92-1,618.08

Finding the Fourth Proportional to 3,810.56, 5,713.92 and 1,618.08

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Solution

The fourth proportional to 3,810.56, 5,713.92 and 1,618.08 is: 2,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.56 : 5,713.92 = 1,618.08 : x
  2. Step 2: Convert to fraction form
    3,810.56/5,713.92 = 1,618.08/x
  3. Step 3: Cross multiply
    3,810.56x = 5,713.92 × 1,618.08
  4. Step 4: Simplify right side
    3,810.56x = 9,245,579.67
  5. Step 5: Solve for x
    x = 9,245,579.67/3,810.56
  6. Step 6: Final answer
    x = 2,426.30

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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.