Home / 3,459.03-5,187.20-1,609.80

Finding the Fourth Proportional to 3,459.03, 5,187.20 and 1,609.80

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Solution

The fourth proportional to 3,459.03, 5,187.20 and 1,609.80 is: 2,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.03 : 5,187.20 = 1,609.80 : x
  2. Step 2: Convert to fraction form
    3,459.03/5,187.20 = 1,609.80/x
  3. Step 3: Cross multiply
    3,459.03x = 5,187.20 × 1,609.80
  4. Step 4: Simplify right side
    3,459.03x = 8,350,346.51
  5. Step 5: Solve for x
    x = 8,350,346.51/3,459.03
  6. Step 6: Final answer
    x = 2,414.07

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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.