Home / 1,166.22-1,747.94-618.12

Finding the Fourth Proportional to 1,166.22, 1,747.94 and 618.12

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Solution

The fourth proportional to 1,166.22, 1,747.94 and 618.12 is: 926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.22 : 1,747.94 = 618.12 : x
  2. Step 2: Convert to fraction form
    1,166.22/1,747.94 = 618.12/x
  3. Step 3: Cross multiply
    1,166.22x = 1,747.94 × 618.12
  4. Step 4: Simplify right side
    1,166.22x = 1,080,433.58
  5. Step 5: Solve for x
    x = 1,080,433.58/1,166.22
  6. Step 6: Final answer
    x = 926.44

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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.