Home / 1,424.13-2,134.53-1,262.13

Finding the Fourth Proportional to 1,424.13, 2,134.53 and 1,262.13

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Solution

The fourth proportional to 1,424.13, 2,134.53 and 1,262.13 is: 1,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.13 : 2,134.53 = 1,262.13 : x
  2. Step 2: Convert to fraction form
    1,424.13/2,134.53 = 1,262.13/x
  3. Step 3: Cross multiply
    1,424.13x = 2,134.53 × 1,262.13
  4. Step 4: Simplify right side
    1,424.13x = 2,694,054.35
  5. Step 5: Solve for x
    x = 2,694,054.35/1,424.13
  6. Step 6: Final answer
    x = 1,891.72

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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.