Home / 3,030.09-4,180.46-1,982.76

Finding the Fourth Proportional to 3,030.09, 4,180.46 and 1,982.76

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Solution

The fourth proportional to 3,030.09, 4,180.46 and 1,982.76 is: 2,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.09 : 4,180.46 = 1,982.76 : x
  2. Step 2: Convert to fraction form
    3,030.09/4,180.46 = 1,982.76/x
  3. Step 3: Cross multiply
    3,030.09x = 4,180.46 × 1,982.76
  4. Step 4: Simplify right side
    3,030.09x = 8,288,838.96
  5. Step 5: Solve for x
    x = 8,288,838.96/3,030.09
  6. Step 6: Final answer
    x = 2,735.51

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Half scale
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Double scale
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Similar ratio
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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.