Home / 2,722.78-4,077.24-1,901.63

Finding the Fourth Proportional to 2,722.78, 4,077.24 and 1,901.63

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Solution

The fourth proportional to 2,722.78, 4,077.24 and 1,901.63 is: 2,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.78 : 4,077.24 = 1,901.63 : x
  2. Step 2: Convert to fraction form
    2,722.78/4,077.24 = 1,901.63/x
  3. Step 3: Cross multiply
    2,722.78x = 4,077.24 × 1,901.63
  4. Step 4: Simplify right side
    2,722.78x = 7,753,382.03
  5. Step 5: Solve for x
    x = 7,753,382.03/2,722.78
  6. Step 6: Final answer
    x = 2,847.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.