Home / 1,964.31-2,709.97-1,124.56

Finding the Fourth Proportional to 1,964.31, 2,709.97 and 1,124.56

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Solution

The fourth proportional to 1,964.31, 2,709.97 and 1,124.56 is: 1,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.31 : 2,709.97 = 1,124.56 : x
  2. Step 2: Convert to fraction form
    1,964.31/2,709.97 = 1,124.56/x
  3. Step 3: Cross multiply
    1,964.31x = 2,709.97 × 1,124.56
  4. Step 4: Simplify right side
    1,964.31x = 3,047,517.09
  5. Step 5: Solve for x
    x = 3,047,517.09/1,964.31
  6. Step 6: Final answer
    x = 1,551.45

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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.