Home / 2,982.60-4,115.99-1,656.27

Finding the Fourth Proportional to 2,982.60, 4,115.99 and 1,656.27

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Solution

The fourth proportional to 2,982.60, 4,115.99 and 1,656.27 is: 2,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.60 : 4,115.99 = 1,656.27 : x
  2. Step 2: Convert to fraction form
    2,982.60/4,115.99 = 1,656.27/x
  3. Step 3: Cross multiply
    2,982.60x = 4,115.99 × 1,656.27
  4. Step 4: Simplify right side
    2,982.60x = 6,817,194.90
  5. Step 5: Solve for x
    x = 6,817,194.90/2,982.60
  6. Step 6: Final answer
    x = 2,285.66

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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.