Home / 3,871.59-5,342.94-2,193.08

Finding the Fourth Proportional to 3,871.59, 5,342.94 and 2,193.08

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Solution

The fourth proportional to 3,871.59, 5,342.94 and 2,193.08 is: 3,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.59 : 5,342.94 = 2,193.08 : x
  2. Step 2: Convert to fraction form
    3,871.59/5,342.94 = 2,193.08/x
  3. Step 3: Cross multiply
    3,871.59x = 5,342.94 × 2,193.08
  4. Step 4: Simplify right side
    3,871.59x = 11,717,468.14
  5. Step 5: Solve for x
    x = 11,717,468.14/3,871.59
  6. Step 6: Final answer
    x = 3,026.53

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1.5x scale

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.