Home / 1,426.97-2,140.41-604.72

Finding the Fourth Proportional to 1,426.97, 2,140.41 and 604.72

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Solution

The fourth proportional to 1,426.97, 2,140.41 and 604.72 is: 907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.97 : 2,140.41 = 604.72 : x
  2. Step 2: Convert to fraction form
    1,426.97/2,140.41 = 604.72/x
  3. Step 3: Cross multiply
    1,426.97x = 2,140.41 × 604.72
  4. Step 4: Simplify right side
    1,426.97x = 1,294,348.74
  5. Step 5: Solve for x
    x = 1,294,348.74/1,426.97
  6. Step 6: Final answer
    x = 907.06

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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.