Home / 2,150.75-2,967.58-1,266.65

Finding the Fourth Proportional to 2,150.75, 2,967.58 and 1,266.65

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Solution

The fourth proportional to 2,150.75, 2,967.58 and 1,266.65 is: 1,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.75 : 2,967.58 = 1,266.65 : x
  2. Step 2: Convert to fraction form
    2,150.75/2,967.58 = 1,266.65/x
  3. Step 3: Cross multiply
    2,150.75x = 2,967.58 × 1,266.65
  4. Step 4: Simplify right side
    2,150.75x = 3,758,885.21
  5. Step 5: Solve for x
    x = 3,758,885.21/2,150.75
  6. Step 6: Final answer
    x = 1,747.71

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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.