Home / 3,634.81-5,025.34-2,798.28

Finding the Fourth Proportional to 3,634.81, 5,025.34 and 2,798.28

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Solution

The fourth proportional to 3,634.81, 5,025.34 and 2,798.28 is: 3,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.81 : 5,025.34 = 2,798.28 : x
  2. Step 2: Convert to fraction form
    3,634.81/5,025.34 = 2,798.28/x
  3. Step 3: Cross multiply
    3,634.81x = 5,025.34 × 2,798.28
  4. Step 4: Simplify right side
    3,634.81x = 14,062,311.91
  5. Step 5: Solve for x
    x = 14,062,311.91/3,634.81
  6. Step 6: Final answer
    x = 3,868.79

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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.