Home / 1,811.12-2,717.59-1,349.82

Finding the Fourth Proportional to 1,811.12, 2,717.59 and 1,349.82

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Solution

The fourth proportional to 1,811.12, 2,717.59 and 1,349.82 is: 2,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.12 : 2,717.59 = 1,349.82 : x
  2. Step 2: Convert to fraction form
    1,811.12/2,717.59 = 1,349.82/x
  3. Step 3: Cross multiply
    1,811.12x = 2,717.59 × 1,349.82
  4. Step 4: Simplify right side
    1,811.12x = 3,668,255.67
  5. Step 5: Solve for x
    x = 3,668,255.67/1,811.12
  6. Step 6: Final answer
    x = 2,025.41

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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.