Home / 3,581.13-4,942.02-2,009.32

Finding the Fourth Proportional to 3,581.13, 4,942.02 and 2,009.32

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Solution

The fourth proportional to 3,581.13, 4,942.02 and 2,009.32 is: 2,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.13 : 4,942.02 = 2,009.32 : x
  2. Step 2: Convert to fraction form
    3,581.13/4,942.02 = 2,009.32/x
  3. Step 3: Cross multiply
    3,581.13x = 4,942.02 × 2,009.32
  4. Step 4: Simplify right side
    3,581.13x = 9,930,099.63
  5. Step 5: Solve for x
    x = 9,930,099.63/3,581.13
  6. Step 6: Final answer
    x = 2,772.90

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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.