Home / 1,936.30-2,904.45-1,644.70

Finding the Fourth Proportional to 1,936.30, 2,904.45 and 1,644.70

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Solution

The fourth proportional to 1,936.30, 2,904.45 and 1,644.70 is: 2,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.30 : 2,904.45 = 1,644.70 : x
  2. Step 2: Convert to fraction form
    1,936.30/2,904.45 = 1,644.70/x
  3. Step 3: Cross multiply
    1,936.30x = 2,904.45 × 1,644.70
  4. Step 4: Simplify right side
    1,936.30x = 4,776,948.92
  5. Step 5: Solve for x
    x = 4,776,948.92/1,936.30
  6. Step 6: Final answer
    x = 2,467.05

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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.