Home / 4,073.94-5,621.70-2,305.20

Finding the Fourth Proportional to 4,073.94, 5,621.70 and 2,305.20

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Solution

The fourth proportional to 4,073.94, 5,621.70 and 2,305.20 is: 3,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.94 : 5,621.70 = 2,305.20 : x
  2. Step 2: Convert to fraction form
    4,073.94/5,621.70 = 2,305.20/x
  3. Step 3: Cross multiply
    4,073.94x = 5,621.70 × 2,305.20
  4. Step 4: Simplify right side
    4,073.94x = 12,959,142.84
  5. Step 5: Solve for x
    x = 12,959,142.84/4,073.94
  6. Step 6: Final answer
    x = 3,180.99

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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.