Home / 2,855.13-3,944.06-2,705.50

Finding the Fourth Proportional to 2,855.13, 3,944.06 and 2,705.50

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Solution

The fourth proportional to 2,855.13, 3,944.06 and 2,705.50 is: 3,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.13 : 3,944.06 = 2,705.50 : x
  2. Step 2: Convert to fraction form
    2,855.13/3,944.06 = 2,705.50/x
  3. Step 3: Cross multiply
    2,855.13x = 3,944.06 × 2,705.50
  4. Step 4: Simplify right side
    2,855.13x = 10,670,651.23
  5. Step 5: Solve for x
    x = 10,670,651.23/2,855.13
  6. Step 6: Final answer
    x = 3,737.36

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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.