Home / 1,426.97-2,140.84-605.29

Finding the Fourth Proportional to 1,426.97, 2,140.84 and 605.29

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Solution

The fourth proportional to 1,426.97, 2,140.84 and 605.29 is: 908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.97 : 2,140.84 = 605.29 : x
  2. Step 2: Convert to fraction form
    1,426.97/2,140.84 = 605.29/x
  3. Step 3: Cross multiply
    1,426.97x = 2,140.84 × 605.29
  4. Step 4: Simplify right side
    1,426.97x = 1,295,826.02
  5. Step 5: Solve for x
    x = 1,295,826.02/1,426.97
  6. Step 6: Final answer
    x = 908.10

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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.