Home / 1,975.01-2,726.33-1,189.44

Finding the Fourth Proportional to 1,975.01, 2,726.33 and 1,189.44

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Solution

The fourth proportional to 1,975.01, 2,726.33 and 1,189.44 is: 1,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.01 : 2,726.33 = 1,189.44 : x
  2. Step 2: Convert to fraction form
    1,975.01/2,726.33 = 1,189.44/x
  3. Step 3: Cross multiply
    1,975.01x = 2,726.33 × 1,189.44
  4. Step 4: Simplify right side
    1,975.01x = 3,242,800.01
  5. Step 5: Solve for x
    x = 3,242,800.01/1,975.01
  6. Step 6: Final answer
    x = 1,641.92

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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.