Home / 2,939.02-4,405.17-1,205.50

Finding the Fourth Proportional to 2,939.02, 4,405.17 and 1,205.50

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Solution

The fourth proportional to 2,939.02, 4,405.17 and 1,205.50 is: 1,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.02 : 4,405.17 = 1,205.50 : x
  2. Step 2: Convert to fraction form
    2,939.02/4,405.17 = 1,205.50/x
  3. Step 3: Cross multiply
    2,939.02x = 4,405.17 × 1,205.50
  4. Step 4: Simplify right side
    2,939.02x = 5,310,432.44
  5. Step 5: Solve for x
    x = 5,310,432.44/2,939.02
  6. Step 6: Final answer
    x = 1,806.87

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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.