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Finding the Fourth Proportional to 1,984.04, 2,737.95 and 1,099.83

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Solution

The fourth proportional to 1,984.04, 2,737.95 and 1,099.83 is: 1,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.04 : 2,737.95 = 1,099.83 : x
  2. Step 2: Convert to fraction form
    1,984.04/2,737.95 = 1,099.83/x
  3. Step 3: Cross multiply
    1,984.04x = 2,737.95 × 1,099.83
  4. Step 4: Simplify right side
    1,984.04x = 3,011,276.48
  5. Step 5: Solve for x
    x = 3,011,276.48/1,984.04
  6. Step 6: Final answer
    x = 1,517.75

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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.