Home / 2,936.30-4,395.80-1,959.98

Finding the Fourth Proportional to 2,936.30, 4,395.80 and 1,959.98

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Solution

The fourth proportional to 2,936.30, 4,395.80 and 1,959.98 is: 2,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.30 : 4,395.80 = 1,959.98 : x
  2. Step 2: Convert to fraction form
    2,936.30/4,395.80 = 1,959.98/x
  3. Step 3: Cross multiply
    2,936.30x = 4,395.80 × 1,959.98
  4. Step 4: Simplify right side
    2,936.30x = 8,615,663.00
  5. Step 5: Solve for x
    x = 8,615,663.00/2,936.30
  6. Step 6: Final answer
    x = 2,934.20

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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.