Home / 2,686.46-4,022.82-1,591.62

Finding the Fourth Proportional to 2,686.46, 4,022.82 and 1,591.62

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Solution

The fourth proportional to 2,686.46, 4,022.82 and 1,591.62 is: 2,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.46 : 4,022.82 = 1,591.62 : x
  2. Step 2: Convert to fraction form
    2,686.46/4,022.82 = 1,591.62/x
  3. Step 3: Cross multiply
    2,686.46x = 4,022.82 × 1,591.62
  4. Step 4: Simplify right side
    2,686.46x = 6,402,800.77
  5. Step 5: Solve for x
    x = 6,402,800.77/2,686.46
  6. Step 6: Final answer
    x = 2,383.36

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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.