Home / 3,161.66-4,743.50-1,518.32

Finding the Fourth Proportional to 3,161.66, 4,743.50 and 1,518.32

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Solution

The fourth proportional to 3,161.66, 4,743.50 and 1,518.32 is: 2,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.66 : 4,743.50 = 1,518.32 : x
  2. Step 2: Convert to fraction form
    3,161.66/4,743.50 = 1,518.32/x
  3. Step 3: Cross multiply
    3,161.66x = 4,743.50 × 1,518.32
  4. Step 4: Simplify right side
    3,161.66x = 7,202,155.19
  5. Step 5: Solve for x
    x = 7,202,155.19/3,161.66
  6. Step 6: Final answer
    x = 2,277.97

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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.