Home / 3,669.60-5,504.40-2,109.60

Finding the Fourth Proportional to 3,669.60, 5,504.40 and 2,109.60

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Solution

The fourth proportional to 3,669.60, 5,504.40 and 2,109.60 is: 3,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.60 : 5,504.40 = 2,109.60 : x
  2. Step 2: Convert to fraction form
    3,669.60/5,504.40 = 2,109.60/x
  3. Step 3: Cross multiply
    3,669.60x = 5,504.40 × 2,109.60
  4. Step 4: Simplify right side
    3,669.60x = 11,612,082.24
  5. Step 5: Solve for x
    x = 11,612,082.24/3,669.60
  6. Step 6: Final answer
    x = 3,164.40

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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.