Home / 3,140.91-4,334.49-1,743.66

Finding the Fourth Proportional to 3,140.91, 4,334.49 and 1,743.66

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Solution

The fourth proportional to 3,140.91, 4,334.49 and 1,743.66 is: 2,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.91 : 4,334.49 = 1,743.66 : x
  2. Step 2: Convert to fraction form
    3,140.91/4,334.49 = 1,743.66/x
  3. Step 3: Cross multiply
    3,140.91x = 4,334.49 × 1,743.66
  4. Step 4: Simplify right side
    3,140.91x = 7,557,876.83
  5. Step 5: Solve for x
    x = 7,557,876.83/3,140.91
  6. Step 6: Final answer
    x = 2,406.27

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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.