Home / 3,431.34-5,147.10-1,351.26

Finding the Fourth Proportional to 3,431.34, 5,147.10 and 1,351.26

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Solution

The fourth proportional to 3,431.34, 5,147.10 and 1,351.26 is: 2,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.34 : 5,147.10 = 1,351.26 : x
  2. Step 2: Convert to fraction form
    3,431.34/5,147.10 = 1,351.26/x
  3. Step 3: Cross multiply
    3,431.34x = 5,147.10 × 1,351.26
  4. Step 4: Simplify right side
    3,431.34x = 6,955,070.35
  5. Step 5: Solve for x
    x = 6,955,070.35/3,431.34
  6. Step 6: Final answer
    x = 2,026.93

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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.