Home / 2,150.24-3,207.56-2,122.08

Finding the Fourth Proportional to 2,150.24, 3,207.56 and 2,122.08

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Solution

The fourth proportional to 2,150.24, 3,207.56 and 2,122.08 is: 3,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.24 : 3,207.56 = 2,122.08 : x
  2. Step 2: Convert to fraction form
    2,150.24/3,207.56 = 2,122.08/x
  3. Step 3: Cross multiply
    2,150.24x = 3,207.56 × 2,122.08
  4. Step 4: Simplify right side
    2,150.24x = 6,806,698.92
  5. Step 5: Solve for x
    x = 6,806,698.92/2,150.24
  6. Step 6: Final answer
    x = 3,165.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.