Home / 1,666.23-2,499.75-936.29

Finding the Fourth Proportional to 1,666.23, 2,499.75 and 936.29

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Solution

The fourth proportional to 1,666.23, 2,499.75 and 936.29 is: 1,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.23 : 2,499.75 = 936.29 : x
  2. Step 2: Convert to fraction form
    1,666.23/2,499.75 = 936.29/x
  3. Step 3: Cross multiply
    1,666.23x = 2,499.75 × 936.29
  4. Step 4: Simplify right side
    1,666.23x = 2,340,478.43
  5. Step 5: Solve for x
    x = 2,340,478.43/1,666.23
  6. Step 6: Final answer
    x = 1,404.66

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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.