Home / 2,899.32-4,351.23-2,078.34

Finding the Fourth Proportional to 2,899.32, 4,351.23 and 2,078.34

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Solution

The fourth proportional to 2,899.32, 4,351.23 and 2,078.34 is: 3,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.32 : 4,351.23 = 2,078.34 : x
  2. Step 2: Convert to fraction form
    2,899.32/4,351.23 = 2,078.34/x
  3. Step 3: Cross multiply
    2,899.32x = 4,351.23 × 2,078.34
  4. Step 4: Simplify right side
    2,899.32x = 9,043,335.36
  5. Step 5: Solve for x
    x = 9,043,335.36/2,899.32
  6. Step 6: Final answer
    x = 3,119.12

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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.