Home / 1,199.37-1,799.36-614.15

Finding the Fourth Proportional to 1,199.37, 1,799.36 and 614.15

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Solution

The fourth proportional to 1,199.37, 1,799.36 and 614.15 is: 921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.37 : 1,799.36 = 614.15 : x
  2. Step 2: Convert to fraction form
    1,199.37/1,799.36 = 614.15/x
  3. Step 3: Cross multiply
    1,199.37x = 1,799.36 × 614.15
  4. Step 4: Simplify right side
    1,199.37x = 1,105,069.48
  5. Step 5: Solve for x
    x = 1,105,069.48/1,199.37
  6. Step 6: Final answer
    x = 921.37

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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.