Home / 2,049.30-2,828.79-1,553.04

Finding the Fourth Proportional to 2,049.30, 2,828.79 and 1,553.04

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Solution

The fourth proportional to 2,049.30, 2,828.79 and 1,553.04 is: 2,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.30 : 2,828.79 = 1,553.04 : x
  2. Step 2: Convert to fraction form
    2,049.30/2,828.79 = 1,553.04/x
  3. Step 3: Cross multiply
    2,049.30x = 2,828.79 × 1,553.04
  4. Step 4: Simplify right side
    2,049.30x = 4,393,224.02
  5. Step 5: Solve for x
    x = 4,393,224.02/2,049.30
  6. Step 6: Final answer
    x = 2,143.77

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1.5x scale

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.