Home / 2,171.20-2,995.20-1,473.28

Finding the Fourth Proportional to 2,171.20, 2,995.20 and 1,473.28

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Solution

The fourth proportional to 2,171.20, 2,995.20 and 1,473.28 is: 2,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.20 : 2,995.20 = 1,473.28 : x
  2. Step 2: Convert to fraction form
    2,171.20/2,995.20 = 1,473.28/x
  3. Step 3: Cross multiply
    2,171.20x = 2,995.20 × 1,473.28
  4. Step 4: Simplify right side
    2,171.20x = 4,412,768.26
  5. Step 5: Solve for x
    x = 4,412,768.26/2,171.20
  6. Step 6: Final answer
    x = 2,032.41

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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.