Home / 1,944.03-2,916.37-713.17

Finding the Fourth Proportional to 1,944.03, 2,916.37 and 713.17

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Solution

The fourth proportional to 1,944.03, 2,916.37 and 713.17 is: 1,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.03 : 2,916.37 = 713.17 : x
  2. Step 2: Convert to fraction form
    1,944.03/2,916.37 = 713.17/x
  3. Step 3: Cross multiply
    1,944.03x = 2,916.37 × 713.17
  4. Step 4: Simplify right side
    1,944.03x = 2,079,872.13
  5. Step 5: Solve for x
    x = 2,079,872.13/1,944.03
  6. Step 6: Final answer
    x = 1,069.87

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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.