Home / 3,076.91-4,247.53-1,959.35

Finding the Fourth Proportional to 3,076.91, 4,247.53 and 1,959.35

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Solution

The fourth proportional to 3,076.91, 4,247.53 and 1,959.35 is: 2,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.91 : 4,247.53 = 1,959.35 : x
  2. Step 2: Convert to fraction form
    3,076.91/4,247.53 = 1,959.35/x
  3. Step 3: Cross multiply
    3,076.91x = 4,247.53 × 1,959.35
  4. Step 4: Simplify right side
    3,076.91x = 8,322,403.63
  5. Step 5: Solve for x
    x = 8,322,403.63/3,076.91
  6. Step 6: Final answer
    x = 2,704.80

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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.