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Finding the Fourth Proportional to 1,834.75, 2,752.14 and 808.75

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Solution

The fourth proportional to 1,834.75, 2,752.14 and 808.75 is: 1,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.75 : 2,752.14 = 808.75 : x
  2. Step 2: Convert to fraction form
    1,834.75/2,752.14 = 808.75/x
  3. Step 3: Cross multiply
    1,834.75x = 2,752.14 × 808.75
  4. Step 4: Simplify right side
    1,834.75x = 2,225,793.23
  5. Step 5: Solve for x
    x = 2,225,793.23/1,834.75
  6. Step 6: Final answer
    x = 1,213.13

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1.5x scale

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.