Home / 2,554.57-3,525.19-1,561.51

Finding the Fourth Proportional to 2,554.57, 3,525.19 and 1,561.51

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Solution

The fourth proportional to 2,554.57, 3,525.19 and 1,561.51 is: 2,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.57 : 3,525.19 = 1,561.51 : x
  2. Step 2: Convert to fraction form
    2,554.57/3,525.19 = 1,561.51/x
  3. Step 3: Cross multiply
    2,554.57x = 3,525.19 × 1,561.51
  4. Step 4: Simplify right side
    2,554.57x = 5,504,619.44
  5. Step 5: Solve for x
    x = 5,504,619.44/2,554.57
  6. Step 6: Final answer
    x = 2,154.81

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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.