Home / 2,104.08-3,154.60-1,009.20

Finding the Fourth Proportional to 2,104.08, 3,154.60 and 1,009.20

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Solution

The fourth proportional to 2,104.08, 3,154.60 and 1,009.20 is: 1,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.08 : 3,154.60 = 1,009.20 : x
  2. Step 2: Convert to fraction form
    2,104.08/3,154.60 = 1,009.20/x
  3. Step 3: Cross multiply
    2,104.08x = 3,154.60 × 1,009.20
  4. Step 4: Simplify right side
    2,104.08x = 3,183,622.32
  5. Step 5: Solve for x
    x = 3,183,622.32/2,104.08
  6. Step 6: Final answer
    x = 1,513.07

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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.