Home / 1,411.73-2,119.79-1,349.34

Finding the Fourth Proportional to 1,411.73, 2,119.79 and 1,349.34

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Solution

The fourth proportional to 1,411.73, 2,119.79 and 1,349.34 is: 2,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.73 : 2,119.79 = 1,349.34 : x
  2. Step 2: Convert to fraction form
    1,411.73/2,119.79 = 1,349.34/x
  3. Step 3: Cross multiply
    1,411.73x = 2,119.79 × 1,349.34
  4. Step 4: Simplify right side
    1,411.73x = 2,860,317.20
  5. Step 5: Solve for x
    x = 2,860,317.20/1,411.73
  6. Step 6: Final answer
    x = 2,026.11

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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.