Home / 2,489.28-3,435.26-1,441.95

Finding the Fourth Proportional to 2,489.28, 3,435.26 and 1,441.95

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Solution

The fourth proportional to 2,489.28, 3,435.26 and 1,441.95 is: 1,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.28 : 3,435.26 = 1,441.95 : x
  2. Step 2: Convert to fraction form
    2,489.28/3,435.26 = 1,441.95/x
  3. Step 3: Cross multiply
    2,489.28x = 3,435.26 × 1,441.95
  4. Step 4: Simplify right side
    2,489.28x = 4,953,465.95
  5. Step 5: Solve for x
    x = 4,953,465.95/2,489.28
  6. Step 6: Final answer
    x = 1,989.92

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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.