Home / 2,329.07-3,490.85-1,158.72

Finding the Fourth Proportional to 2,329.07, 3,490.85 and 1,158.72

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Solution

The fourth proportional to 2,329.07, 3,490.85 and 1,158.72 is: 1,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.07 : 3,490.85 = 1,158.72 : x
  2. Step 2: Convert to fraction form
    2,329.07/3,490.85 = 1,158.72/x
  3. Step 3: Cross multiply
    2,329.07x = 3,490.85 × 1,158.72
  4. Step 4: Simplify right side
    2,329.07x = 4,044,911.92
  5. Step 5: Solve for x
    x = 4,044,911.92/2,329.07
  6. Step 6: Final answer
    x = 1,736.71

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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.