Home / 3,019.77-4,508.98-2,705.38

Finding the Fourth Proportional to 3,019.77, 4,508.98 and 2,705.38

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Solution

The fourth proportional to 3,019.77, 4,508.98 and 2,705.38 is: 4,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.77 : 4,508.98 = 2,705.38 : x
  2. Step 2: Convert to fraction form
    3,019.77/4,508.98 = 2,705.38/x
  3. Step 3: Cross multiply
    3,019.77x = 4,508.98 × 2,705.38
  4. Step 4: Simplify right side
    3,019.77x = 12,198,504.31
  5. Step 5: Solve for x
    x = 12,198,504.31/3,019.77
  6. Step 6: Final answer
    x = 4,039.55

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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.