Home / 1,661.22-2,291.85-1,039.14

Finding the Fourth Proportional to 1,661.22, 2,291.85 and 1,039.14

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Solution

The fourth proportional to 1,661.22, 2,291.85 and 1,039.14 is: 1,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.22 : 2,291.85 = 1,039.14 : x
  2. Step 2: Convert to fraction form
    1,661.22/2,291.85 = 1,039.14/x
  3. Step 3: Cross multiply
    1,661.22x = 2,291.85 × 1,039.14
  4. Step 4: Simplify right side
    1,661.22x = 2,381,553.01
  5. Step 5: Solve for x
    x = 2,381,553.01/1,661.22
  6. Step 6: Final answer
    x = 1,433.62

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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.