Home / 3,463.18-4,778.96-1,891.27

Finding the Fourth Proportional to 3,463.18, 4,778.96 and 1,891.27

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Solution

The fourth proportional to 3,463.18, 4,778.96 and 1,891.27 is: 2,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.18 : 4,778.96 = 1,891.27 : x
  2. Step 2: Convert to fraction form
    3,463.18/4,778.96 = 1,891.27/x
  3. Step 3: Cross multiply
    3,463.18x = 4,778.96 × 1,891.27
  4. Step 4: Simplify right side
    3,463.18x = 9,038,303.68
  5. Step 5: Solve for x
    x = 9,038,303.68/3,463.18
  6. Step 6: Final answer
    x = 2,609.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.