Home / 1,813.55-2,716.79-1,031.18

Finding the Fourth Proportional to 1,813.55, 2,716.79 and 1,031.18

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Solution

The fourth proportional to 1,813.55, 2,716.79 and 1,031.18 is: 1,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.55 : 2,716.79 = 1,031.18 : x
  2. Step 2: Convert to fraction form
    1,813.55/2,716.79 = 1,031.18/x
  3. Step 3: Cross multiply
    1,813.55x = 2,716.79 × 1,031.18
  4. Step 4: Simplify right side
    1,813.55x = 2,801,480.77
  5. Step 5: Solve for x
    x = 2,801,480.77/1,813.55
  6. Step 6: Final answer
    x = 1,544.75

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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.