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Finding the Fourth Proportional to 2,950.41, 4,071.41 and 1,691.40

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Solution

The fourth proportional to 2,950.41, 4,071.41 and 1,691.40 is: 2,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.41 : 4,071.41 = 1,691.40 : x
  2. Step 2: Convert to fraction form
    2,950.41/4,071.41 = 1,691.40/x
  3. Step 3: Cross multiply
    2,950.41x = 4,071.41 × 1,691.40
  4. Step 4: Simplify right side
    2,950.41x = 6,886,382.87
  5. Step 5: Solve for x
    x = 6,886,382.87/2,950.41
  6. Step 6: Final answer
    x = 2,334.04

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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.