Home / 1,932.35-2,666.66-1,135.51

Finding the Fourth Proportional to 1,932.35, 2,666.66 and 1,135.51

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Solution

The fourth proportional to 1,932.35, 2,666.66 and 1,135.51 is: 1,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.35 : 2,666.66 = 1,135.51 : x
  2. Step 2: Convert to fraction form
    1,932.35/2,666.66 = 1,135.51/x
  3. Step 3: Cross multiply
    1,932.35x = 2,666.66 × 1,135.51
  4. Step 4: Simplify right side
    1,932.35x = 3,028,006.75
  5. Step 5: Solve for x
    x = 3,028,006.75/1,932.35
  6. Step 6: Final answer
    x = 1,567.01

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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.