Home / 2,727.60-3,764.31-1,532.70

Finding the Fourth Proportional to 2,727.60, 3,764.31 and 1,532.70

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Solution

The fourth proportional to 2,727.60, 3,764.31 and 1,532.70 is: 2,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.60 : 3,764.31 = 1,532.70 : x
  2. Step 2: Convert to fraction form
    2,727.60/3,764.31 = 1,532.70/x
  3. Step 3: Cross multiply
    2,727.60x = 3,764.31 × 1,532.70
  4. Step 4: Simplify right side
    2,727.60x = 5,769,557.94
  5. Step 5: Solve for x
    x = 5,769,557.94/2,727.60
  6. Step 6: Final answer
    x = 2,115.25

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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.