Home / 3,458.89-5,185.45-1,609.03

Finding the Fourth Proportional to 3,458.89, 5,185.45 and 1,609.03

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Solution

The fourth proportional to 3,458.89, 5,185.45 and 1,609.03 is: 2,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.89 : 5,185.45 = 1,609.03 : x
  2. Step 2: Convert to fraction form
    3,458.89/5,185.45 = 1,609.03/x
  3. Step 3: Cross multiply
    3,458.89x = 5,185.45 × 1,609.03
  4. Step 4: Simplify right side
    3,458.89x = 8,343,544.61
  5. Step 5: Solve for x
    x = 8,343,544.61/3,458.89
  6. Step 6: Final answer
    x = 2,412.20

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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.