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Finding the Fourth Proportional to 1,882.62, 2,598 and 1,085.65

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Solution

The fourth proportional to 1,882.62, 2,598 and 1,085.65 is: 1,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.62 : 2,598 = 1,085.65 : x
  2. Step 2: Convert to fraction form
    1,882.62/2,598 = 1,085.65/x
  3. Step 3: Cross multiply
    1,882.62x = 2,598 × 1,085.65
  4. Step 4: Simplify right side
    1,882.62x = 2,820,518.70
  5. Step 5: Solve for x
    x = 2,820,518.70/1,882.62
  6. Step 6: Final answer
    x = 1,498.19

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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.