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Finding the Fourth Proportional to 3,005.99, 4,508.98 and 2,076.47

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Solution

The fourth proportional to 3,005.99, 4,508.98 and 2,076.47 is: 3,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.99 : 4,508.98 = 2,076.47 : x
  2. Step 2: Convert to fraction form
    3,005.99/4,508.98 = 2,076.47/x
  3. Step 3: Cross multiply
    3,005.99x = 4,508.98 × 2,076.47
  4. Step 4: Simplify right side
    3,005.99x = 9,362,733.96
  5. Step 5: Solve for x
    x = 9,362,733.96/3,005.99
  6. Step 6: Final answer
    x = 3,114.70

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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.