Home / 2,371.11-3,271.57-1,439.43

Finding the Fourth Proportional to 2,371.11, 3,271.57 and 1,439.43

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Solution

The fourth proportional to 2,371.11, 3,271.57 and 1,439.43 is: 1,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.11 : 3,271.57 = 1,439.43 : x
  2. Step 2: Convert to fraction form
    2,371.11/3,271.57 = 1,439.43/x
  3. Step 3: Cross multiply
    2,371.11x = 3,271.57 × 1,439.43
  4. Step 4: Simplify right side
    2,371.11x = 4,709,196.01
  5. Step 5: Solve for x
    x = 4,709,196.01/2,371.11
  6. Step 6: Final answer
    x = 1,986.07

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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.