Home / 2,913.11-4,019.97-1,586.82

Finding the Fourth Proportional to 2,913.11, 4,019.97 and 1,586.82

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Solution

The fourth proportional to 2,913.11, 4,019.97 and 1,586.82 is: 2,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.11 : 4,019.97 = 1,586.82 : x
  2. Step 2: Convert to fraction form
    2,913.11/4,019.97 = 1,586.82/x
  3. Step 3: Cross multiply
    2,913.11x = 4,019.97 × 1,586.82
  4. Step 4: Simplify right side
    2,913.11x = 6,378,968.80
  5. Step 5: Solve for x
    x = 6,378,968.80/2,913.11
  6. Step 6: Final answer
    x = 2,189.75

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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.