Home / 2,722.17-4,074.75-1,939.71

Finding the Fourth Proportional to 2,722.17, 4,074.75 and 1,939.71

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Solution

The fourth proportional to 2,722.17, 4,074.75 and 1,939.71 is: 2,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.17 : 4,074.75 = 1,939.71 : x
  2. Step 2: Convert to fraction form
    2,722.17/4,074.75 = 1,939.71/x
  3. Step 3: Cross multiply
    2,722.17x = 4,074.75 × 1,939.71
  4. Step 4: Simplify right side
    2,722.17x = 7,903,833.32
  5. Step 5: Solve for x
    x = 7,903,833.32/2,722.17
  6. Step 6: Final answer
    x = 2,903.50

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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.