Home / 3,460.46-5,191.61-1,269.21

Finding the Fourth Proportional to 3,460.46, 5,191.61 and 1,269.21

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Solution

The fourth proportional to 3,460.46, 5,191.61 and 1,269.21 is: 1,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.46 : 5,191.61 = 1,269.21 : x
  2. Step 2: Convert to fraction form
    3,460.46/5,191.61 = 1,269.21/x
  3. Step 3: Cross multiply
    3,460.46x = 5,191.61 × 1,269.21
  4. Step 4: Simplify right side
    3,460.46x = 6,589,236.98
  5. Step 5: Solve for x
    x = 6,589,236.98/3,460.46
  6. Step 6: Final answer
    x = 1,904.15

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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.