Home / 1,461.17-2,192.16-767.68

Finding the Fourth Proportional to 1,461.17, 2,192.16 and 767.68

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Solution

The fourth proportional to 1,461.17, 2,192.16 and 767.68 is: 1,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.17 : 2,192.16 = 767.68 : x
  2. Step 2: Convert to fraction form
    1,461.17/2,192.16 = 767.68/x
  3. Step 3: Cross multiply
    1,461.17x = 2,192.16 × 767.68
  4. Step 4: Simplify right side
    1,461.17x = 1,682,874.79
  5. Step 5: Solve for x
    x = 1,682,874.79/1,461.17
  6. Step 6: Final answer
    x = 1,151.73

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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.