Home / 2,288.10-3,161.25-2,113.14

Finding the Fourth Proportional to 2,288.10, 3,161.25 and 2,113.14

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Solution

The fourth proportional to 2,288.10, 3,161.25 and 2,113.14 is: 2,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.10 : 3,161.25 = 2,113.14 : x
  2. Step 2: Convert to fraction form
    2,288.10/3,161.25 = 2,113.14/x
  3. Step 3: Cross multiply
    2,288.10x = 3,161.25 × 2,113.14
  4. Step 4: Simplify right side
    2,288.10x = 6,680,163.83
  5. Step 5: Solve for x
    x = 6,680,163.83/2,288.10
  6. Step 6: Final answer
    x = 2,919.52

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1.5x scale

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.