Home / 3,120.28-4,681.50-2,084.44

Finding the Fourth Proportional to 3,120.28, 4,681.50 and 2,084.44

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Solution

The fourth proportional to 3,120.28, 4,681.50 and 2,084.44 is: 3,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.28 : 4,681.50 = 2,084.44 : x
  2. Step 2: Convert to fraction form
    3,120.28/4,681.50 = 2,084.44/x
  3. Step 3: Cross multiply
    3,120.28x = 4,681.50 × 2,084.44
  4. Step 4: Simplify right side
    3,120.28x = 9,758,305.86
  5. Step 5: Solve for x
    x = 9,758,305.86/3,120.28
  6. Step 6: Final answer
    x = 3,127.38

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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.