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Finding the Fourth Proportional to 2,008.13, 2,770.17 and 1,260.68

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Solution

The fourth proportional to 2,008.13, 2,770.17 and 1,260.68 is: 1,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.13 : 2,770.17 = 1,260.68 : x
  2. Step 2: Convert to fraction form
    2,008.13/2,770.17 = 1,260.68/x
  3. Step 3: Cross multiply
    2,008.13x = 2,770.17 × 1,260.68
  4. Step 4: Simplify right side
    2,008.13x = 3,492,297.92
  5. Step 5: Solve for x
    x = 3,492,297.92/2,008.13
  6. Step 6: Final answer
    x = 1,739.08

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1.5x scale

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.