Home / 3,427.57-5,141.35-1,346.12

Finding the Fourth Proportional to 3,427.57, 5,141.35 and 1,346.12

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Solution

The fourth proportional to 3,427.57, 5,141.35 and 1,346.12 is: 2,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.57 : 5,141.35 = 1,346.12 : x
  2. Step 2: Convert to fraction form
    3,427.57/5,141.35 = 1,346.12/x
  3. Step 3: Cross multiply
    3,427.57x = 5,141.35 × 1,346.12
  4. Step 4: Simplify right side
    3,427.57x = 6,920,874.06
  5. Step 5: Solve for x
    x = 6,920,874.06/3,427.57
  6. Step 6: Final answer
    x = 2,019.18

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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.