Home / 3,458.70-5,189.94-1,610.69

Finding the Fourth Proportional to 3,458.70, 5,189.94 and 1,610.69

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Solution

The fourth proportional to 3,458.70, 5,189.94 and 1,610.69 is: 2,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.70 : 5,189.94 = 1,610.69 : x
  2. Step 2: Convert to fraction form
    3,458.70/5,189.94 = 1,610.69/x
  3. Step 3: Cross multiply
    3,458.70x = 5,189.94 × 1,610.69
  4. Step 4: Simplify right side
    3,458.70x = 8,359,358.51
  5. Step 5: Solve for x
    x = 8,359,358.51/3,458.70
  6. Step 6: Final answer
    x = 2,416.91

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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.