Home / 1,329.11-1,834.41-1,013.87

Finding the Fourth Proportional to 1,329.11, 1,834.41 and 1,013.87

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Solution

The fourth proportional to 1,329.11, 1,834.41 and 1,013.87 is: 1,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.11 : 1,834.41 = 1,013.87 : x
  2. Step 2: Convert to fraction form
    1,329.11/1,834.41 = 1,013.87/x
  3. Step 3: Cross multiply
    1,329.11x = 1,834.41 × 1,013.87
  4. Step 4: Simplify right side
    1,329.11x = 1,859,853.27
  5. Step 5: Solve for x
    x = 1,859,853.27/1,329.11
  6. Step 6: Final answer
    x = 1,399.32

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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.