Home / 1,969.30-2,717.53-1,084.94

Finding the Fourth Proportional to 1,969.30, 2,717.53 and 1,084.94

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Solution

The fourth proportional to 1,969.30, 2,717.53 and 1,084.94 is: 1,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.30 : 2,717.53 = 1,084.94 : x
  2. Step 2: Convert to fraction form
    1,969.30/2,717.53 = 1,084.94/x
  3. Step 3: Cross multiply
    1,969.30x = 2,717.53 × 1,084.94
  4. Step 4: Simplify right side
    1,969.30x = 2,948,340.70
  5. Step 5: Solve for x
    x = 2,948,340.70/1,969.30
  6. Step 6: Final answer
    x = 1,497.15

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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.