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Finding the Fourth Proportional to 1,882.60, 2,612.59 and 1,805.80

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Solution

The fourth proportional to 1,882.60, 2,612.59 and 1,805.80 is: 2,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.60 : 2,612.59 = 1,805.80 : x
  2. Step 2: Convert to fraction form
    1,882.60/2,612.59 = 1,805.80/x
  3. Step 3: Cross multiply
    1,882.60x = 2,612.59 × 1,805.80
  4. Step 4: Simplify right side
    1,882.60x = 4,717,815.02
  5. Step 5: Solve for x
    x = 4,717,815.02/1,882.60
  6. Step 6: Final answer
    x = 2,506.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.