Home / 1,634.28-2,437.04-1,619.68

Finding the Fourth Proportional to 1,634.28, 2,437.04 and 1,619.68

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Solution

The fourth proportional to 1,634.28, 2,437.04 and 1,619.68 is: 2,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.28 : 2,437.04 = 1,619.68 : x
  2. Step 2: Convert to fraction form
    1,634.28/2,437.04 = 1,619.68/x
  3. Step 3: Cross multiply
    1,634.28x = 2,437.04 × 1,619.68
  4. Step 4: Simplify right side
    1,634.28x = 3,947,224.95
  5. Step 5: Solve for x
    x = 3,947,224.95/1,634.28
  6. Step 6: Final answer
    x = 2,415.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.