Home / 3,087.83-4,262.96-2,132.23

Finding the Fourth Proportional to 3,087.83, 4,262.96 and 2,132.23

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Solution

The fourth proportional to 3,087.83, 4,262.96 and 2,132.23 is: 2,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.83 : 4,262.96 = 2,132.23 : x
  2. Step 2: Convert to fraction form
    3,087.83/4,262.96 = 2,132.23/x
  3. Step 3: Cross multiply
    3,087.83x = 4,262.96 × 2,132.23
  4. Step 4: Simplify right side
    3,087.83x = 9,089,611.20
  5. Step 5: Solve for x
    x = 9,089,611.20/3,087.83
  6. Step 6: Final answer
    x = 2,943.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.