Home / 3,188.44-4,398.42-2,070.01

Finding the Fourth Proportional to 3,188.44, 4,398.42 and 2,070.01

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Solution

The fourth proportional to 3,188.44, 4,398.42 and 2,070.01 is: 2,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.44 : 4,398.42 = 2,070.01 : x
  2. Step 2: Convert to fraction form
    3,188.44/4,398.42 = 2,070.01/x
  3. Step 3: Cross multiply
    3,188.44x = 4,398.42 × 2,070.01
  4. Step 4: Simplify right side
    3,188.44x = 9,104,773.38
  5. Step 5: Solve for x
    x = 9,104,773.38/3,188.44
  6. Step 6: Final answer
    x = 2,855.56

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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.