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Finding the Fourth Proportional to 1,324.60, 1,827.13 and 852.34

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Solution

The fourth proportional to 1,324.60, 1,827.13 and 852.34 is: 1,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.60 : 1,827.13 = 852.34 : x
  2. Step 2: Convert to fraction form
    1,324.60/1,827.13 = 852.34/x
  3. Step 3: Cross multiply
    1,324.60x = 1,827.13 × 852.34
  4. Step 4: Simplify right side
    1,324.60x = 1,557,335.98
  5. Step 5: Solve for x
    x = 1,557,335.98/1,324.60
  6. Step 6: Final answer
    x = 1,175.70

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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.