Home / 1,965.46-2,932.86-1,790.80

Finding the Fourth Proportional to 1,965.46, 2,932.86 and 1,790.80

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Solution

The fourth proportional to 1,965.46, 2,932.86 and 1,790.80 is: 2,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.46 : 2,932.86 = 1,790.80 : x
  2. Step 2: Convert to fraction form
    1,965.46/2,932.86 = 1,790.80/x
  3. Step 3: Cross multiply
    1,965.46x = 2,932.86 × 1,790.80
  4. Step 4: Simplify right side
    1,965.46x = 5,252,158.36
  5. Step 5: Solve for x
    x = 5,252,158.36/1,965.46
  6. Step 6: Final answer
    x = 2,672.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.