Home / 2,182.02-3,271.11-866.70

Finding the Fourth Proportional to 2,182.02, 3,271.11 and 866.70

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Solution

The fourth proportional to 2,182.02, 3,271.11 and 866.70 is: 1,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.02 : 3,271.11 = 866.70 : x
  2. Step 2: Convert to fraction form
    2,182.02/3,271.11 = 866.70/x
  3. Step 3: Cross multiply
    2,182.02x = 3,271.11 × 866.70
  4. Step 4: Simplify right side
    2,182.02x = 2,835,071.04
  5. Step 5: Solve for x
    x = 2,835,071.04/2,182.02
  6. Step 6: Final answer
    x = 1,299.29

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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.