Home / 2,276.14-3,141.47-2,172.26

Finding the Fourth Proportional to 2,276.14, 3,141.47 and 2,172.26

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Solution

The fourth proportional to 2,276.14, 3,141.47 and 2,172.26 is: 2,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.14 : 3,141.47 = 2,172.26 : x
  2. Step 2: Convert to fraction form
    2,276.14/3,141.47 = 2,172.26/x
  3. Step 3: Cross multiply
    2,276.14x = 3,141.47 × 2,172.26
  4. Step 4: Simplify right side
    2,276.14x = 6,824,089.62
  5. Step 5: Solve for x
    x = 6,824,089.62/2,276.14
  6. Step 6: Final answer
    x = 2,998.10

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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.