Home / 1,349.22-2,020.32-1,267.13

Finding the Fourth Proportional to 1,349.22, 2,020.32 and 1,267.13

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Solution

The fourth proportional to 1,349.22, 2,020.32 and 1,267.13 is: 1,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.22 : 2,020.32 = 1,267.13 : x
  2. Step 2: Convert to fraction form
    1,349.22/2,020.32 = 1,267.13/x
  3. Step 3: Cross multiply
    1,349.22x = 2,020.32 × 1,267.13
  4. Step 4: Simplify right side
    1,349.22x = 2,559,996.70
  5. Step 5: Solve for x
    x = 2,559,996.70/1,349.22
  6. Step 6: Final answer
    x = 1,897.39

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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.