Home / 1,781.06-2,674.01-1,134.68

Finding the Fourth Proportional to 1,781.06, 2,674.01 and 1,134.68

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Solution

The fourth proportional to 1,781.06, 2,674.01 and 1,134.68 is: 1,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.06 : 2,674.01 = 1,134.68 : x
  2. Step 2: Convert to fraction form
    1,781.06/2,674.01 = 1,134.68/x
  3. Step 3: Cross multiply
    1,781.06x = 2,674.01 × 1,134.68
  4. Step 4: Simplify right side
    1,781.06x = 3,034,135.13
  5. Step 5: Solve for x
    x = 3,034,135.13/1,781.06
  6. Step 6: Final answer
    x = 1,703.56

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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.