Home / 3,331.30-4,997.51-1,383.65

Finding the Fourth Proportional to 3,331.30, 4,997.51 and 1,383.65

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Solution

The fourth proportional to 3,331.30, 4,997.51 and 1,383.65 is: 2,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.30 : 4,997.51 = 1,383.65 : x
  2. Step 2: Convert to fraction form
    3,331.30/4,997.51 = 1,383.65/x
  3. Step 3: Cross multiply
    3,331.30x = 4,997.51 × 1,383.65
  4. Step 4: Simplify right side
    3,331.30x = 6,914,804.71
  5. Step 5: Solve for x
    x = 6,914,804.71/3,331.30
  6. Step 6: Final answer
    x = 2,075.71

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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.