Home / 1,813.81-2,502.84-1,067.60

Finding the Fourth Proportional to 1,813.81, 2,502.84 and 1,067.60

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Solution

The fourth proportional to 1,813.81, 2,502.84 and 1,067.60 is: 1,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.81 : 2,502.84 = 1,067.60 : x
  2. Step 2: Convert to fraction form
    1,813.81/2,502.84 = 1,067.60/x
  3. Step 3: Cross multiply
    1,813.81x = 2,502.84 × 1,067.60
  4. Step 4: Simplify right side
    1,813.81x = 2,672,031.98
  5. Step 5: Solve for x
    x = 2,672,031.98/1,813.81
  6. Step 6: Final answer
    x = 1,473.16

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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.