Home / 2,828.50-4,241.55-1,073.20

Finding the Fourth Proportional to 2,828.50, 4,241.55 and 1,073.20

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Solution

The fourth proportional to 2,828.50, 4,241.55 and 1,073.20 is: 1,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.50 : 4,241.55 = 1,073.20 : x
  2. Step 2: Convert to fraction form
    2,828.50/4,241.55 = 1,073.20/x
  3. Step 3: Cross multiply
    2,828.50x = 4,241.55 × 1,073.20
  4. Step 4: Simplify right side
    2,828.50x = 4,552,031.46
  5. Step 5: Solve for x
    x = 4,552,031.46/2,828.50
  6. Step 6: Final answer
    x = 1,609.34

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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.