Home / 2,276.12-3,141.45-2,172.24

Finding the Fourth Proportional to 2,276.12, 3,141.45 and 2,172.24

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Solution

The fourth proportional to 2,276.12, 3,141.45 and 2,172.24 is: 2,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.12 : 3,141.45 = 2,172.24 : x
  2. Step 2: Convert to fraction form
    2,276.12/3,141.45 = 2,172.24/x
  3. Step 3: Cross multiply
    2,276.12x = 3,141.45 × 2,172.24
  4. Step 4: Simplify right side
    2,276.12x = 6,823,983.35
  5. Step 5: Solve for x
    x = 6,823,983.35/2,276.12
  6. Step 6: Final answer
    x = 2,998.07

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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.