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Finding the Fourth Proportional to 1,265.96, 1,746.97 and 794.34

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Solution

The fourth proportional to 1,265.96, 1,746.97 and 794.34 is: 1,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.96 : 1,746.97 = 794.34 : x
  2. Step 2: Convert to fraction form
    1,265.96/1,746.97 = 794.34/x
  3. Step 3: Cross multiply
    1,265.96x = 1,746.97 × 794.34
  4. Step 4: Simplify right side
    1,265.96x = 1,387,686.16
  5. Step 5: Solve for x
    x = 1,387,686.16/1,265.96
  6. Step 6: Final answer
    x = 1,096.15

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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.