Home / 3,612.12-4,983.93-2,099.95

Finding the Fourth Proportional to 3,612.12, 4,983.93 and 2,099.95

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Solution

The fourth proportional to 3,612.12, 4,983.93 and 2,099.95 is: 2,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.12 : 4,983.93 = 2,099.95 : x
  2. Step 2: Convert to fraction form
    3,612.12/4,983.93 = 2,099.95/x
  3. Step 3: Cross multiply
    3,612.12x = 4,983.93 × 2,099.95
  4. Step 4: Simplify right side
    3,612.12x = 10,466,003.80
  5. Step 5: Solve for x
    x = 10,466,003.80/3,612.12
  6. Step 6: Final answer
    x = 2,897.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.