Home / 3,144.16-4,339.01-1,727.88

Finding the Fourth Proportional to 3,144.16, 4,339.01 and 1,727.88

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Solution

The fourth proportional to 3,144.16, 4,339.01 and 1,727.88 is: 2,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.16 : 4,339.01 = 1,727.88 : x
  2. Step 2: Convert to fraction form
    3,144.16/4,339.01 = 1,727.88/x
  3. Step 3: Cross multiply
    3,144.16x = 4,339.01 × 1,727.88
  4. Step 4: Simplify right side
    3,144.16x = 7,497,288.60
  5. Step 5: Solve for x
    x = 7,497,288.60/3,144.16
  6. Step 6: Final answer
    x = 2,384.51

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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.