Home / 1,855.97-2,561.15-1,110.34

Finding the Fourth Proportional to 1,855.97, 2,561.15 and 1,110.34

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Solution

The fourth proportional to 1,855.97, 2,561.15 and 1,110.34 is: 1,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.97 : 2,561.15 = 1,110.34 : x
  2. Step 2: Convert to fraction form
    1,855.97/2,561.15 = 1,110.34/x
  3. Step 3: Cross multiply
    1,855.97x = 2,561.15 × 1,110.34
  4. Step 4: Simplify right side
    1,855.97x = 2,843,743.66
  5. Step 5: Solve for x
    x = 2,843,743.66/1,855.97
  6. Step 6: Final answer
    x = 1,532.21

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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.