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Finding the Fourth Proportional to 1,325.83, 1,828.97 and 794.29

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Solution

The fourth proportional to 1,325.83, 1,828.97 and 794.29 is: 1,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.83 : 1,828.97 = 794.29 : x
  2. Step 2: Convert to fraction form
    1,325.83/1,828.97 = 794.29/x
  3. Step 3: Cross multiply
    1,325.83x = 1,828.97 × 794.29
  4. Step 4: Simplify right side
    1,325.83x = 1,452,728.61
  5. Step 5: Solve for x
    x = 1,452,728.61/1,325.83
  6. Step 6: Final answer
    x = 1,095.71

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1.5x scale

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.