Home / 3,454.71-5,183.61-1,810.88

Finding the Fourth Proportional to 3,454.71, 5,183.61 and 1,810.88

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Solution

The fourth proportional to 3,454.71, 5,183.61 and 1,810.88 is: 2,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.71 : 5,183.61 = 1,810.88 : x
  2. Step 2: Convert to fraction form
    3,454.71/5,183.61 = 1,810.88/x
  3. Step 3: Cross multiply
    3,454.71x = 5,183.61 × 1,810.88
  4. Step 4: Simplify right side
    3,454.71x = 9,386,895.68
  5. Step 5: Solve for x
    x = 9,386,895.68/3,454.71
  6. Step 6: Final answer
    x = 2,717.13

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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.