Home / 2,696.61-3,722.33-1,577.90

Finding the Fourth Proportional to 2,696.61, 3,722.33 and 1,577.90

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Solution

The fourth proportional to 2,696.61, 3,722.33 and 1,577.90 is: 2,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.61 : 3,722.33 = 1,577.90 : x
  2. Step 2: Convert to fraction form
    2,696.61/3,722.33 = 1,577.90/x
  3. Step 3: Cross multiply
    2,696.61x = 3,722.33 × 1,577.90
  4. Step 4: Simplify right side
    2,696.61x = 5,873,451.96
  5. Step 5: Solve for x
    x = 5,873,451.96/2,696.61
  6. Step 6: Final answer
    x = 2,178.09

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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.