Home / 2,089.41-3,134.66-1,115.25

Finding the Fourth Proportional to 2,089.41, 3,134.66 and 1,115.25

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Solution

The fourth proportional to 2,089.41, 3,134.66 and 1,115.25 is: 1,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.41 : 3,134.66 = 1,115.25 : x
  2. Step 2: Convert to fraction form
    2,089.41/3,134.66 = 1,115.25/x
  3. Step 3: Cross multiply
    2,089.41x = 3,134.66 × 1,115.25
  4. Step 4: Simplify right side
    2,089.41x = 3,495,923.99
  5. Step 5: Solve for x
    x = 3,495,923.99/2,089.41
  6. Step 6: Final answer
    x = 1,673.16

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1.5x scale

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.