Home / 1,764.27-2,646.85-1,245.29

Finding the Fourth Proportional to 1,764.27, 2,646.85 and 1,245.29

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Solution

The fourth proportional to 1,764.27, 2,646.85 and 1,245.29 is: 1,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.27 : 2,646.85 = 1,245.29 : x
  2. Step 2: Convert to fraction form
    1,764.27/2,646.85 = 1,245.29/x
  3. Step 3: Cross multiply
    1,764.27x = 2,646.85 × 1,245.29
  4. Step 4: Simplify right side
    1,764.27x = 3,296,084.94
  5. Step 5: Solve for x
    x = 3,296,084.94/1,764.27
  6. Step 6: Final answer
    x = 1,868.24

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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.