Home / 2,420.28-3,633.15-1,797.90

Finding the Fourth Proportional to 2,420.28, 3,633.15 and 1,797.90

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Solution

The fourth proportional to 2,420.28, 3,633.15 and 1,797.90 is: 2,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.28 : 3,633.15 = 1,797.90 : x
  2. Step 2: Convert to fraction form
    2,420.28/3,633.15 = 1,797.90/x
  3. Step 3: Cross multiply
    2,420.28x = 3,633.15 × 1,797.90
  4. Step 4: Simplify right side
    2,420.28x = 6,532,033.50
  5. Step 5: Solve for x
    x = 6,532,033.50/2,420.28
  6. Step 6: Final answer
    x = 2,698.88

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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.