Home / 3,079.94-4,250.75-1,901.25

Finding the Fourth Proportional to 3,079.94, 4,250.75 and 1,901.25

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Solution

The fourth proportional to 3,079.94, 4,250.75 and 1,901.25 is: 2,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.94 : 4,250.75 = 1,901.25 : x
  2. Step 2: Convert to fraction form
    3,079.94/4,250.75 = 1,901.25/x
  3. Step 3: Cross multiply
    3,079.94x = 4,250.75 × 1,901.25
  4. Step 4: Simplify right side
    3,079.94x = 8,081,728.93
  5. Step 5: Solve for x
    x = 8,081,728.93/3,079.94
  6. Step 6: Final answer
    x = 2,623.99

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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.