Home / 2,010.39-2,772.09-1,263.44

Finding the Fourth Proportional to 2,010.39, 2,772.09 and 1,263.44

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Solution

The fourth proportional to 2,010.39, 2,772.09 and 1,263.44 is: 1,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.39 : 2,772.09 = 1,263.44 : x
  2. Step 2: Convert to fraction form
    2,010.39/2,772.09 = 1,263.44/x
  3. Step 3: Cross multiply
    2,010.39x = 2,772.09 × 1,263.44
  4. Step 4: Simplify right side
    2,010.39x = 3,502,355.53
  5. Step 5: Solve for x
    x = 3,502,355.53/2,010.39
  6. Step 6: Final answer
    x = 1,742.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.