Home / 3,437.42-5,144.45-2,122.01

Finding the Fourth Proportional to 3,437.42, 5,144.45 and 2,122.01

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Solution

The fourth proportional to 3,437.42, 5,144.45 and 2,122.01 is: 3,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.42 : 5,144.45 = 2,122.01 : x
  2. Step 2: Convert to fraction form
    3,437.42/5,144.45 = 2,122.01/x
  3. Step 3: Cross multiply
    3,437.42x = 5,144.45 × 2,122.01
  4. Step 4: Simplify right side
    3,437.42x = 10,916,574.34
  5. Step 5: Solve for x
    x = 10,916,574.34/3,437.42
  6. Step 6: Final answer
    x = 3,175.80

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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.