Home / 3,835.47-5,754.58-2,193.40

Finding the Fourth Proportional to 3,835.47, 5,754.58 and 2,193.40

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Solution

The fourth proportional to 3,835.47, 5,754.58 and 2,193.40 is: 3,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.47 : 5,754.58 = 2,193.40 : x
  2. Step 2: Convert to fraction form
    3,835.47/5,754.58 = 2,193.40/x
  3. Step 3: Cross multiply
    3,835.47x = 5,754.58 × 2,193.40
  4. Step 4: Simplify right side
    3,835.47x = 12,622,097.48
  5. Step 5: Solve for x
    x = 12,622,097.48/3,835.47
  6. Step 6: Final answer
    x = 3,290.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.