Home / 2,087.22-2,880.32-1,202.96

Finding the Fourth Proportional to 2,087.22, 2,880.32 and 1,202.96

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Solution

The fourth proportional to 2,087.22, 2,880.32 and 1,202.96 is: 1,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.22 : 2,880.32 = 1,202.96 : x
  2. Step 2: Convert to fraction form
    2,087.22/2,880.32 = 1,202.96/x
  3. Step 3: Cross multiply
    2,087.22x = 2,880.32 × 1,202.96
  4. Step 4: Simplify right side
    2,087.22x = 3,464,909.75
  5. Step 5: Solve for x
    x = 3,464,909.75/2,087.22
  6. Step 6: Final answer
    x = 1,660.06

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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.