Home / 3,182.16-4,393.86-2,190.72

Finding the Fourth Proportional to 3,182.16, 4,393.86 and 2,190.72

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Solution

The fourth proportional to 3,182.16, 4,393.86 and 2,190.72 is: 3,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.16 : 4,393.86 = 2,190.72 : x
  2. Step 2: Convert to fraction form
    3,182.16/4,393.86 = 2,190.72/x
  3. Step 3: Cross multiply
    3,182.16x = 4,393.86 × 2,190.72
  4. Step 4: Simplify right side
    3,182.16x = 9,625,716.98
  5. Step 5: Solve for x
    x = 9,625,716.98/3,182.16
  6. Step 6: Final answer
    x = 3,024.90

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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.