Home / 3,327.24-4,987.89-1,378.20

Finding the Fourth Proportional to 3,327.24, 4,987.89 and 1,378.20

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Solution

The fourth proportional to 3,327.24, 4,987.89 and 1,378.20 is: 2,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.24 : 4,987.89 = 1,378.20 : x
  2. Step 2: Convert to fraction form
    3,327.24/4,987.89 = 1,378.20/x
  3. Step 3: Cross multiply
    3,327.24x = 4,987.89 × 1,378.20
  4. Step 4: Simplify right side
    3,327.24x = 6,874,310.00
  5. Step 5: Solve for x
    x = 6,874,310.00/3,327.24
  6. Step 6: Final answer
    x = 2,066.07

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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.