Home / 2,987.56-4,480.30-1,232.06

Finding the Fourth Proportional to 2,987.56, 4,480.30 and 1,232.06

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Solution

The fourth proportional to 2,987.56, 4,480.30 and 1,232.06 is: 1,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.56 : 4,480.30 = 1,232.06 : x
  2. Step 2: Convert to fraction form
    2,987.56/4,480.30 = 1,232.06/x
  3. Step 3: Cross multiply
    2,987.56x = 4,480.30 × 1,232.06
  4. Step 4: Simplify right side
    2,987.56x = 5,519,998.42
  5. Step 5: Solve for x
    x = 5,519,998.42/2,987.56
  6. Step 6: Final answer
    x = 1,847.66

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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.