Home / 1,973.48-2,724.78-1,227.74

Finding the Fourth Proportional to 1,973.48, 2,724.78 and 1,227.74

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Solution

The fourth proportional to 1,973.48, 2,724.78 and 1,227.74 is: 1,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.48 : 2,724.78 = 1,227.74 : x
  2. Step 2: Convert to fraction form
    1,973.48/2,724.78 = 1,227.74/x
  3. Step 3: Cross multiply
    1,973.48x = 2,724.78 × 1,227.74
  4. Step 4: Simplify right side
    1,973.48x = 3,345,321.40
  5. Step 5: Solve for x
    x = 3,345,321.40/1,973.48
  6. Step 6: Final answer
    x = 1,695.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.