Home / 2,798.38-4,200.32-2,134.08

Finding the Fourth Proportional to 2,798.38, 4,200.32 and 2,134.08

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Solution

The fourth proportional to 2,798.38, 4,200.32 and 2,134.08 is: 3,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.38 : 4,200.32 = 2,134.08 : x
  2. Step 2: Convert to fraction form
    2,798.38/4,200.32 = 2,134.08/x
  3. Step 3: Cross multiply
    2,798.38x = 4,200.32 × 2,134.08
  4. Step 4: Simplify right side
    2,798.38x = 8,963,824.24
  5. Step 5: Solve for x
    x = 8,963,824.24/2,798.38
  6. Step 6: Final answer
    x = 3,203.22

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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.