Home / 3,947.17-5,919.03-2,097.84

Finding the Fourth Proportional to 3,947.17, 5,919.03 and 2,097.84

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Solution

The fourth proportional to 3,947.17, 5,919.03 and 2,097.84 is: 3,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.17 : 5,919.03 = 2,097.84 : x
  2. Step 2: Convert to fraction form
    3,947.17/5,919.03 = 2,097.84/x
  3. Step 3: Cross multiply
    3,947.17x = 5,919.03 × 2,097.84
  4. Step 4: Simplify right side
    3,947.17x = 12,417,137.81
  5. Step 5: Solve for x
    x = 12,417,137.81/3,947.17
  6. Step 6: Final answer
    x = 3,145.84

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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.