Home / 2,828.52-4,237.30-2,176.06

Finding the Fourth Proportional to 2,828.52, 4,237.30 and 2,176.06

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Solution

The fourth proportional to 2,828.52, 4,237.30 and 2,176.06 is: 3,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.52 : 4,237.30 = 2,176.06 : x
  2. Step 2: Convert to fraction form
    2,828.52/4,237.30 = 2,176.06/x
  3. Step 3: Cross multiply
    2,828.52x = 4,237.30 × 2,176.06
  4. Step 4: Simplify right side
    2,828.52x = 9,220,619.04
  5. Step 5: Solve for x
    x = 9,220,619.04/2,828.52
  6. Step 6: Final answer
    x = 3,259.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.