Home / 3,006.18-4,505.60-2,128.92

Finding the Fourth Proportional to 3,006.18, 4,505.60 and 2,128.92

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Solution

The fourth proportional to 3,006.18, 4,505.60 and 2,128.92 is: 3,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.18 : 4,505.60 = 2,128.92 : x
  2. Step 2: Convert to fraction form
    3,006.18/4,505.60 = 2,128.92/x
  3. Step 3: Cross multiply
    3,006.18x = 4,505.60 × 2,128.92
  4. Step 4: Simplify right side
    3,006.18x = 9,592,051.31
  5. Step 5: Solve for x
    x = 9,592,051.31/3,006.18
  6. Step 6: Final answer
    x = 3,190.78

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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.