Home / 1,836.18-2,751.39-1,561.14

Finding the Fourth Proportional to 1,836.18, 2,751.39 and 1,561.14

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Solution

The fourth proportional to 1,836.18, 2,751.39 and 1,561.14 is: 2,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.18 : 2,751.39 = 1,561.14 : x
  2. Step 2: Convert to fraction form
    1,836.18/2,751.39 = 1,561.14/x
  3. Step 3: Cross multiply
    1,836.18x = 2,751.39 × 1,561.14
  4. Step 4: Simplify right side
    1,836.18x = 4,295,304.98
  5. Step 5: Solve for x
    x = 4,295,304.98/1,836.18
  6. Step 6: Final answer
    x = 2,339.26

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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.