Home / 2,295.75-3,144.40-2,161.11

Finding the Fourth Proportional to 2,295.75, 3,144.40 and 2,161.11

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Solution

The fourth proportional to 2,295.75, 3,144.40 and 2,161.11 is: 2,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.75 : 3,144.40 = 2,161.11 : x
  2. Step 2: Convert to fraction form
    2,295.75/3,144.40 = 2,161.11/x
  3. Step 3: Cross multiply
    2,295.75x = 3,144.40 × 2,161.11
  4. Step 4: Simplify right side
    2,295.75x = 6,795,394.28
  5. Step 5: Solve for x
    x = 6,795,394.28/2,295.75
  6. Step 6: Final answer
    x = 2,959.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.