Home / 1,351.03-2,026.14-426.82

Finding the Fourth Proportional to 1,351.03, 2,026.14 and 426.82

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Solution

The fourth proportional to 1,351.03, 2,026.14 and 426.82 is: 640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.03 : 2,026.14 = 426.82 : x
  2. Step 2: Convert to fraction form
    1,351.03/2,026.14 = 426.82/x
  3. Step 3: Cross multiply
    1,351.03x = 2,026.14 × 426.82
  4. Step 4: Simplify right side
    1,351.03x = 864,797.07
  5. Step 5: Solve for x
    x = 864,797.07/1,351.03
  6. Step 6: Final answer
    x = 640.10

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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.