Home / 2,154.73-3,232.06-1,228.31

Finding the Fourth Proportional to 2,154.73, 3,232.06 and 1,228.31

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Solution

The fourth proportional to 2,154.73, 3,232.06 and 1,228.31 is: 1,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.73 : 3,232.06 = 1,228.31 : x
  2. Step 2: Convert to fraction form
    2,154.73/3,232.06 = 1,228.31/x
  3. Step 3: Cross multiply
    2,154.73x = 3,232.06 × 1,228.31
  4. Step 4: Simplify right side
    2,154.73x = 3,969,964.51
  5. Step 5: Solve for x
    x = 3,969,964.51/2,154.73
  6. Step 6: Final answer
    x = 1,842.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.