Home / 2,950.33-4,070.87-1,691.78

Finding the Fourth Proportional to 2,950.33, 4,070.87 and 1,691.78

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Solution

The fourth proportional to 2,950.33, 4,070.87 and 1,691.78 is: 2,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.33 : 4,070.87 = 1,691.78 : x
  2. Step 2: Convert to fraction form
    2,950.33/4,070.87 = 1,691.78/x
  3. Step 3: Cross multiply
    2,950.33x = 4,070.87 × 1,691.78
  4. Step 4: Simplify right side
    2,950.33x = 6,887,007.99
  5. Step 5: Solve for x
    x = 6,887,007.99/2,950.33
  6. Step 6: Final answer
    x = 2,334.32

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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.