Home / 2,489.11-3,435.18-1,370.26

Finding the Fourth Proportional to 2,489.11, 3,435.18 and 1,370.26

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Solution

The fourth proportional to 2,489.11, 3,435.18 and 1,370.26 is: 1,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.11 : 3,435.18 = 1,370.26 : x
  2. Step 2: Convert to fraction form
    2,489.11/3,435.18 = 1,370.26/x
  3. Step 3: Cross multiply
    2,489.11x = 3,435.18 × 1,370.26
  4. Step 4: Simplify right side
    2,489.11x = 4,707,089.75
  5. Step 5: Solve for x
    x = 4,707,089.75/2,489.11
  6. Step 6: Final answer
    x = 1,891.07

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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.