Home / 2,982.76-4,115.58-1,656.19

Finding the Fourth Proportional to 2,982.76, 4,115.58 and 1,656.19

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Solution

The fourth proportional to 2,982.76, 4,115.58 and 1,656.19 is: 2,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.76 : 4,115.58 = 1,656.19 : x
  2. Step 2: Convert to fraction form
    2,982.76/4,115.58 = 1,656.19/x
  3. Step 3: Cross multiply
    2,982.76x = 4,115.58 × 1,656.19
  4. Step 4: Simplify right side
    2,982.76x = 6,816,182.44
  5. Step 5: Solve for x
    x = 6,816,182.44/2,982.76
  6. Step 6: Final answer
    x = 2,285.19

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Double scale
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1.5x scale

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.