Home / 1,932.66-2,666.63-1,304.36

Finding the Fourth Proportional to 1,932.66, 2,666.63 and 1,304.36

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Solution

The fourth proportional to 1,932.66, 2,666.63 and 1,304.36 is: 1,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.66 : 2,666.63 = 1,304.36 : x
  2. Step 2: Convert to fraction form
    1,932.66/2,666.63 = 1,304.36/x
  3. Step 3: Cross multiply
    1,932.66x = 2,666.63 × 1,304.36
  4. Step 4: Simplify right side
    1,932.66x = 3,478,225.65
  5. Step 5: Solve for x
    x = 3,478,225.65/1,932.66
  6. Step 6: Final answer
    x = 1,799.71

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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.