Home / 1,912.59-2,869.75-1,134.13

Finding the Fourth Proportional to 1,912.59, 2,869.75 and 1,134.13

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Solution

The fourth proportional to 1,912.59, 2,869.75 and 1,134.13 is: 1,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.59 : 2,869.75 = 1,134.13 : x
  2. Step 2: Convert to fraction form
    1,912.59/2,869.75 = 1,134.13/x
  3. Step 3: Cross multiply
    1,912.59x = 2,869.75 × 1,134.13
  4. Step 4: Simplify right side
    1,912.59x = 3,254,669.57
  5. Step 5: Solve for x
    x = 3,254,669.57/1,912.59
  6. Step 6: Final answer
    x = 1,701.71

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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.