Home / 2,171.77-2,996.32-1,227.44

Finding the Fourth Proportional to 2,171.77, 2,996.32 and 1,227.44

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Solution

The fourth proportional to 2,171.77, 2,996.32 and 1,227.44 is: 1,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.77 : 2,996.32 = 1,227.44 : x
  2. Step 2: Convert to fraction form
    2,171.77/2,996.32 = 1,227.44/x
  3. Step 3: Cross multiply
    2,171.77x = 2,996.32 × 1,227.44
  4. Step 4: Simplify right side
    2,171.77x = 3,677,803.02
  5. Step 5: Solve for x
    x = 3,677,803.02/2,171.77
  6. Step 6: Final answer
    x = 1,693.46

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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.