Home / 2,291.33-3,438.77-1,058.87

Finding the Fourth Proportional to 2,291.33, 3,438.77 and 1,058.87

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Solution

The fourth proportional to 2,291.33, 3,438.77 and 1,058.87 is: 1,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.33 : 3,438.77 = 1,058.87 : x
  2. Step 2: Convert to fraction form
    2,291.33/3,438.77 = 1,058.87/x
  3. Step 3: Cross multiply
    2,291.33x = 3,438.77 × 1,058.87
  4. Step 4: Simplify right side
    2,291.33x = 3,641,187.90
  5. Step 5: Solve for x
    x = 3,641,187.90/2,291.33
  6. Step 6: Final answer
    x = 1,589.12

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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.