Home / 3,331.92-4,970.94-2,999.79

Finding the Fourth Proportional to 3,331.92, 4,970.94 and 2,999.79

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Solution

The fourth proportional to 3,331.92, 4,970.94 and 2,999.79 is: 4,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.92 : 4,970.94 = 2,999.79 : x
  2. Step 2: Convert to fraction form
    3,331.92/4,970.94 = 2,999.79/x
  3. Step 3: Cross multiply
    3,331.92x = 4,970.94 × 2,999.79
  4. Step 4: Simplify right side
    3,331.92x = 14,911,776.10
  5. Step 5: Solve for x
    x = 14,911,776.10/3,331.92
  6. Step 6: Final answer
    x = 4,475.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.