Home / 2,712.39-3,742.41-1,533.43

Finding the Fourth Proportional to 2,712.39, 3,742.41 and 1,533.43

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Solution

The fourth proportional to 2,712.39, 3,742.41 and 1,533.43 is: 2,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.39 : 3,742.41 = 1,533.43 : x
  2. Step 2: Convert to fraction form
    2,712.39/3,742.41 = 1,533.43/x
  3. Step 3: Cross multiply
    2,712.39x = 3,742.41 × 1,533.43
  4. Step 4: Simplify right side
    2,712.39x = 5,738,723.77
  5. Step 5: Solve for x
    x = 5,738,723.77/2,712.39
  6. Step 6: Final answer
    x = 2,115.74

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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.