Home / 3,871.01-5,342.02-2,102.62

Finding the Fourth Proportional to 3,871.01, 5,342.02 and 2,102.62

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Solution

The fourth proportional to 3,871.01, 5,342.02 and 2,102.62 is: 2,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.01 : 5,342.02 = 2,102.62 : x
  2. Step 2: Convert to fraction form
    3,871.01/5,342.02 = 2,102.62/x
  3. Step 3: Cross multiply
    3,871.01x = 5,342.02 × 2,102.62
  4. Step 4: Simplify right side
    3,871.01x = 11,232,238.09
  5. Step 5: Solve for x
    x = 11,232,238.09/3,871.01
  6. Step 6: Final answer
    x = 2,901.63

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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.