Home / 3,010.37-4,515.56-1,976.90

Finding the Fourth Proportional to 3,010.37, 4,515.56 and 1,976.90

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Solution

The fourth proportional to 3,010.37, 4,515.56 and 1,976.90 is: 2,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.37 : 4,515.56 = 1,976.90 : x
  2. Step 2: Convert to fraction form
    3,010.37/4,515.56 = 1,976.90/x
  3. Step 3: Cross multiply
    3,010.37x = 4,515.56 × 1,976.90
  4. Step 4: Simplify right side
    3,010.37x = 8,926,800.68
  5. Step 5: Solve for x
    x = 8,926,800.68/3,010.37
  6. Step 6: Final answer
    x = 2,965.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.