Home / 2,171.04-3,257.17-873.42

Finding the Fourth Proportional to 2,171.04, 3,257.17 and 873.42

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Solution

The fourth proportional to 2,171.04, 3,257.17 and 873.42 is: 1,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.04 : 3,257.17 = 873.42 : x
  2. Step 2: Convert to fraction form
    2,171.04/3,257.17 = 873.42/x
  3. Step 3: Cross multiply
    2,171.04x = 3,257.17 × 873.42
  4. Step 4: Simplify right side
    2,171.04x = 2,844,875.24
  5. Step 5: Solve for x
    x = 2,844,875.24/2,171.04
  6. Step 6: Final answer
    x = 1,310.37

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1.5x scale

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.