Home / 3,102.24-4,285.80-2,314.92

Finding the Fourth Proportional to 3,102.24, 4,285.80 and 2,314.92

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Solution

The fourth proportional to 3,102.24, 4,285.80 and 2,314.92 is: 3,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.24 : 4,285.80 = 2,314.92 : x
  2. Step 2: Convert to fraction form
    3,102.24/4,285.80 = 2,314.92/x
  3. Step 3: Cross multiply
    3,102.24x = 4,285.80 × 2,314.92
  4. Step 4: Simplify right side
    3,102.24x = 9,921,284.14
  5. Step 5: Solve for x
    x = 9,921,284.14/3,102.24
  6. Step 6: Final answer
    x = 3,198.10

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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.