Home / 2,729.06-4,069.64-2,705.62

Finding the Fourth Proportional to 2,729.06, 4,069.64 and 2,705.62

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Solution

The fourth proportional to 2,729.06, 4,069.64 and 2,705.62 is: 4,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.06 : 4,069.64 = 2,705.62 : x
  2. Step 2: Convert to fraction form
    2,729.06/4,069.64 = 2,705.62/x
  3. Step 3: Cross multiply
    2,729.06x = 4,069.64 × 2,705.62
  4. Step 4: Simplify right side
    2,729.06x = 11,010,899.38
  5. Step 5: Solve for x
    x = 11,010,899.38/2,729.06
  6. Step 6: Final answer
    x = 4,034.69

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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.