Home / 3,331.10-4,995.84-1,381.44

Finding the Fourth Proportional to 3,331.10, 4,995.84 and 1,381.44

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Solution

The fourth proportional to 3,331.10, 4,995.84 and 1,381.44 is: 2,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.10 : 4,995.84 = 1,381.44 : x
  2. Step 2: Convert to fraction form
    3,331.10/4,995.84 = 1,381.44/x
  3. Step 3: Cross multiply
    3,331.10x = 4,995.84 × 1,381.44
  4. Step 4: Simplify right side
    3,331.10x = 6,901,453.21
  5. Step 5: Solve for x
    x = 6,901,453.21/3,331.10
  6. Step 6: Final answer
    x = 2,071.82

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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.