Home / 2,261.18-3,392.79-1,166.31

Finding the Fourth Proportional to 2,261.18, 3,392.79 and 1,166.31

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Solution

The fourth proportional to 2,261.18, 3,392.79 and 1,166.31 is: 1,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.18 : 3,392.79 = 1,166.31 : x
  2. Step 2: Convert to fraction form
    2,261.18/3,392.79 = 1,166.31/x
  3. Step 3: Cross multiply
    2,261.18x = 3,392.79 × 1,166.31
  4. Step 4: Simplify right side
    2,261.18x = 3,957,044.90
  5. Step 5: Solve for x
    x = 3,957,044.90/2,261.18
  6. Step 6: Final answer
    x = 1,749.99

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1.5x scale

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.