Home / 2,828.48-4,237.08-2,209.28

Finding the Fourth Proportional to 2,828.48, 4,237.08 and 2,209.28

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Solution

The fourth proportional to 2,828.48, 4,237.08 and 2,209.28 is: 3,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.48 : 4,237.08 = 2,209.28 : x
  2. Step 2: Convert to fraction form
    2,828.48/4,237.08 = 2,209.28/x
  3. Step 3: Cross multiply
    2,828.48x = 4,237.08 × 2,209.28
  4. Step 4: Simplify right side
    2,828.48x = 9,360,898.41
  5. Step 5: Solve for x
    x = 9,360,898.41/2,828.48
  6. Step 6: Final answer
    x = 3,309.52

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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.