Home / 2,949.41-4,071.65-2,069.88

Finding the Fourth Proportional to 2,949.41, 4,071.65 and 2,069.88

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Solution

The fourth proportional to 2,949.41, 4,071.65 and 2,069.88 is: 2,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.41 : 4,071.65 = 2,069.88 : x
  2. Step 2: Convert to fraction form
    2,949.41/4,071.65 = 2,069.88/x
  3. Step 3: Cross multiply
    2,949.41x = 4,071.65 × 2,069.88
  4. Step 4: Simplify right side
    2,949.41x = 8,427,816.55
  5. Step 5: Solve for x
    x = 8,427,816.55/2,949.41
  6. Step 6: Final answer
    x = 2,857.46

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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.