Home / 2,982.20-4,114.60-1,864.27

Finding the Fourth Proportional to 2,982.20, 4,114.60 and 1,864.27

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Solution

The fourth proportional to 2,982.20, 4,114.60 and 1,864.27 is: 2,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.20 : 4,114.60 = 1,864.27 : x
  2. Step 2: Convert to fraction form
    2,982.20/4,114.60 = 1,864.27/x
  3. Step 3: Cross multiply
    2,982.20x = 4,114.60 × 1,864.27
  4. Step 4: Simplify right side
    2,982.20x = 7,670,725.82
  5. Step 5: Solve for x
    x = 7,670,725.82/2,982.20
  6. Step 6: Final answer
    x = 2,572.17

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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.