Home / 1,983.15-2,975.94-1,500.39

Finding the Fourth Proportional to 1,983.15, 2,975.94 and 1,500.39

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Solution

The fourth proportional to 1,983.15, 2,975.94 and 1,500.39 is: 2,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.15 : 2,975.94 = 1,500.39 : x
  2. Step 2: Convert to fraction form
    1,983.15/2,975.94 = 1,500.39/x
  3. Step 3: Cross multiply
    1,983.15x = 2,975.94 × 1,500.39
  4. Step 4: Simplify right side
    1,983.15x = 4,465,070.62
  5. Step 5: Solve for x
    x = 4,465,070.62/1,983.15
  6. Step 6: Final answer
    x = 2,251.50

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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.