Home / 1,933.15-2,666.37-1,365.07

Finding the Fourth Proportional to 1,933.15, 2,666.37 and 1,365.07

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Solution

The fourth proportional to 1,933.15, 2,666.37 and 1,365.07 is: 1,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.15 : 2,666.37 = 1,365.07 : x
  2. Step 2: Convert to fraction form
    1,933.15/2,666.37 = 1,365.07/x
  3. Step 3: Cross multiply
    1,933.15x = 2,666.37 × 1,365.07
  4. Step 4: Simplify right side
    1,933.15x = 3,639,781.70
  5. Step 5: Solve for x
    x = 3,639,781.70/1,933.15
  6. Step 6: Final answer
    x = 1,882.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.