Home / 3,300.36-4,970.13-2,872.68

Finding the Fourth Proportional to 3,300.36, 4,970.13 and 2,872.68

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Solution

The fourth proportional to 3,300.36, 4,970.13 and 2,872.68 is: 4,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.36 : 4,970.13 = 2,872.68 : x
  2. Step 2: Convert to fraction form
    3,300.36/4,970.13 = 2,872.68/x
  3. Step 3: Cross multiply
    3,300.36x = 4,970.13 × 2,872.68
  4. Step 4: Simplify right side
    3,300.36x = 14,277,593.05
  5. Step 5: Solve for x
    x = 14,277,593.05/3,300.36
  6. Step 6: Final answer
    x = 4,326.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.