Home / 3,719.52-5,131.26-2,392.74

Finding the Fourth Proportional to 3,719.52, 5,131.26 and 2,392.74

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Solution

The fourth proportional to 3,719.52, 5,131.26 and 2,392.74 is: 3,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.52 : 5,131.26 = 2,392.74 : x
  2. Step 2: Convert to fraction form
    3,719.52/5,131.26 = 2,392.74/x
  3. Step 3: Cross multiply
    3,719.52x = 5,131.26 × 2,392.74
  4. Step 4: Simplify right side
    3,719.52x = 12,277,771.05
  5. Step 5: Solve for x
    x = 12,277,771.05/3,719.52
  6. Step 6: Final answer
    x = 3,300.90

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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.