Home / 1,362.48-2,044.68-1,261.12

Finding the Fourth Proportional to 1,362.48, 2,044.68 and 1,261.12

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Solution

The fourth proportional to 1,362.48, 2,044.68 and 1,261.12 is: 1,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.48 : 2,044.68 = 1,261.12 : x
  2. Step 2: Convert to fraction form
    1,362.48/2,044.68 = 1,261.12/x
  3. Step 3: Cross multiply
    1,362.48x = 2,044.68 × 1,261.12
  4. Step 4: Simplify right side
    1,362.48x = 2,578,586.84
  5. Step 5: Solve for x
    x = 2,578,586.84/1,362.48
  6. Step 6: Final answer
    x = 1,892.57

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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.