Home / 2,982.60-4,115.81-1,656.23

Finding the Fourth Proportional to 2,982.60, 4,115.81 and 1,656.23

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Solution

The fourth proportional to 2,982.60, 4,115.81 and 1,656.23 is: 2,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.60 : 4,115.81 = 1,656.23 : x
  2. Step 2: Convert to fraction form
    2,982.60/4,115.81 = 1,656.23/x
  3. Step 3: Cross multiply
    2,982.60x = 4,115.81 × 1,656.23
  4. Step 4: Simplify right side
    2,982.60x = 6,816,711.56
  5. Step 5: Solve for x
    x = 6,816,711.56/2,982.60
  6. Step 6: Final answer
    x = 2,285.49

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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.