Home / 2,411.29-3,617.61-1,179.40

Finding the Fourth Proportional to 2,411.29, 3,617.61 and 1,179.40

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Solution

The fourth proportional to 2,411.29, 3,617.61 and 1,179.40 is: 1,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.29 : 3,617.61 = 1,179.40 : x
  2. Step 2: Convert to fraction form
    2,411.29/3,617.61 = 1,179.40/x
  3. Step 3: Cross multiply
    2,411.29x = 3,617.61 × 1,179.40
  4. Step 4: Simplify right side
    2,411.29x = 4,266,609.23
  5. Step 5: Solve for x
    x = 4,266,609.23/2,411.29
  6. Step 6: Final answer
    x = 1,769.43

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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.