Home / 2,186.69-3,277.38-1,015.10

Finding the Fourth Proportional to 2,186.69, 3,277.38 and 1,015.10

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Solution

The fourth proportional to 2,186.69, 3,277.38 and 1,015.10 is: 1,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.69 : 3,277.38 = 1,015.10 : x
  2. Step 2: Convert to fraction form
    2,186.69/3,277.38 = 1,015.10/x
  3. Step 3: Cross multiply
    2,186.69x = 3,277.38 × 1,015.10
  4. Step 4: Simplify right side
    2,186.69x = 3,326,868.44
  5. Step 5: Solve for x
    x = 3,326,868.44/2,186.69
  6. Step 6: Final answer
    x = 1,521.42

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1.5x scale

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.