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Finding the Fourth Proportional to 1,325.91, 1,828.48 and 794.70

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Solution

The fourth proportional to 1,325.91, 1,828.48 and 794.70 is: 1,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.91 : 1,828.48 = 794.70 : x
  2. Step 2: Convert to fraction form
    1,325.91/1,828.48 = 794.70/x
  3. Step 3: Cross multiply
    1,325.91x = 1,828.48 × 794.70
  4. Step 4: Simplify right side
    1,325.91x = 1,453,093.06
  5. Step 5: Solve for x
    x = 1,453,093.06/1,325.91
  6. Step 6: Final answer
    x = 1,095.92

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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.