Home / 1,199.00-1,787.73-1,177.13

Finding the Fourth Proportional to 1,199.00, 1,787.73 and 1,177.13

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Solution

The fourth proportional to 1,199.00, 1,787.73 and 1,177.13 is: 1,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.00 : 1,787.73 = 1,177.13 : x
  2. Step 2: Convert to fraction form
    1,199.00/1,787.73 = 1,177.13/x
  3. Step 3: Cross multiply
    1,199.00x = 1,787.73 × 1,177.13
  4. Step 4: Simplify right side
    1,199.00x = 2,104,381.68
  5. Step 5: Solve for x
    x = 2,104,381.68/1,199.00
  6. Step 6: Final answer
    x = 1,755.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.