Home / 2,122.75-3,176.60-1,566.14

Finding the Fourth Proportional to 2,122.75, 3,176.60 and 1,566.14

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Solution

The fourth proportional to 2,122.75, 3,176.60 and 1,566.14 is: 2,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.75 : 3,176.60 = 1,566.14 : x
  2. Step 2: Convert to fraction form
    2,122.75/3,176.60 = 1,566.14/x
  3. Step 3: Cross multiply
    2,122.75x = 3,176.60 × 1,566.14
  4. Step 4: Simplify right side
    2,122.75x = 4,975,000.32
  5. Step 5: Solve for x
    x = 4,975,000.32/2,122.75
  6. Step 6: Final answer
    x = 2,343.66

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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.