Home / 3,431.18-5,147.37-1,350.69

Finding the Fourth Proportional to 3,431.18, 5,147.37 and 1,350.69

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Solution

The fourth proportional to 3,431.18, 5,147.37 and 1,350.69 is: 2,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.18 : 5,147.37 = 1,350.69 : x
  2. Step 2: Convert to fraction form
    3,431.18/5,147.37 = 1,350.69/x
  3. Step 3: Cross multiply
    3,431.18x = 5,147.37 × 1,350.69
  4. Step 4: Simplify right side
    3,431.18x = 6,952,501.19
  5. Step 5: Solve for x
    x = 6,952,501.19/3,431.18
  6. Step 6: Final answer
    x = 2,026.27

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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.