Home / 1,963.36-2,709.30-1,124.07

Finding the Fourth Proportional to 1,963.36, 2,709.30 and 1,124.07

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Solution

The fourth proportional to 1,963.36, 2,709.30 and 1,124.07 is: 1,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.36 : 2,709.30 = 1,124.07 : x
  2. Step 2: Convert to fraction form
    1,963.36/2,709.30 = 1,124.07/x
  3. Step 3: Cross multiply
    1,963.36x = 2,709.30 × 1,124.07
  4. Step 4: Simplify right side
    1,963.36x = 3,045,429.30
  5. Step 5: Solve for x
    x = 3,045,429.30/1,963.36
  6. Step 6: Final answer
    x = 1,551.14

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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.