Home / 3,457.39-5,187.12-1,609.60

Finding the Fourth Proportional to 3,457.39, 5,187.12 and 1,609.60

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Solution

The fourth proportional to 3,457.39, 5,187.12 and 1,609.60 is: 2,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.39 : 5,187.12 = 1,609.60 : x
  2. Step 2: Convert to fraction form
    3,457.39/5,187.12 = 1,609.60/x
  3. Step 3: Cross multiply
    3,457.39x = 5,187.12 × 1,609.60
  4. Step 4: Simplify right side
    3,457.39x = 8,349,175.38
  5. Step 5: Solve for x
    x = 8,349,175.38/3,457.39
  6. Step 6: Final answer
    x = 2,414.88

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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.