Home / 2,581.06-3,867.90-1,606.60

Finding the Fourth Proportional to 2,581.06, 3,867.90 and 1,606.60

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Solution

The fourth proportional to 2,581.06, 3,867.90 and 1,606.60 is: 2,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.06 : 3,867.90 = 1,606.60 : x
  2. Step 2: Convert to fraction form
    2,581.06/3,867.90 = 1,606.60/x
  3. Step 3: Cross multiply
    2,581.06x = 3,867.90 × 1,606.60
  4. Step 4: Simplify right side
    2,581.06x = 6,214,168.14
  5. Step 5: Solve for x
    x = 6,214,168.14/2,581.06
  6. Step 6: Final answer
    x = 2,407.60

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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.