Home / 2,482.13-3,721.80-2,190.30

Finding the Fourth Proportional to 2,482.13, 3,721.80 and 2,190.30

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Solution

The fourth proportional to 2,482.13, 3,721.80 and 2,190.30 is: 3,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.13 : 3,721.80 = 2,190.30 : x
  2. Step 2: Convert to fraction form
    2,482.13/3,721.80 = 2,190.30/x
  3. Step 3: Cross multiply
    2,482.13x = 3,721.80 × 2,190.30
  4. Step 4: Simplify right side
    2,482.13x = 8,151,858.54
  5. Step 5: Solve for x
    x = 8,151,858.54/2,482.13
  6. Step 6: Final answer
    x = 3,284.23

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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.