Home / 1,932.72-2,895.90-1,200.28

Finding the Fourth Proportional to 1,932.72, 2,895.90 and 1,200.28

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Solution

The fourth proportional to 1,932.72, 2,895.90 and 1,200.28 is: 1,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.72 : 2,895.90 = 1,200.28 : x
  2. Step 2: Convert to fraction form
    1,932.72/2,895.90 = 1,200.28/x
  3. Step 3: Cross multiply
    1,932.72x = 2,895.90 × 1,200.28
  4. Step 4: Simplify right side
    1,932.72x = 3,475,890.85
  5. Step 5: Solve for x
    x = 3,475,890.85/1,932.72
  6. Step 6: Final answer
    x = 1,798.45

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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.