Home / 1,817.16-2,506.94-1,318.70

Finding the Fourth Proportional to 1,817.16, 2,506.94 and 1,318.70

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Solution

The fourth proportional to 1,817.16, 2,506.94 and 1,318.70 is: 1,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.16 : 2,506.94 = 1,318.70 : x
  2. Step 2: Convert to fraction form
    1,817.16/2,506.94 = 1,318.70/x
  3. Step 3: Cross multiply
    1,817.16x = 2,506.94 × 1,318.70
  4. Step 4: Simplify right side
    1,817.16x = 3,305,882.65
  5. Step 5: Solve for x
    x = 3,305,882.65/1,817.16
  6. Step 6: Final answer
    x = 1,819.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.