Home / 2,108.24-3,161.88-569.36

Finding the Fourth Proportional to 2,108.24, 3,161.88 and 569.36

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Solution

The fourth proportional to 2,108.24, 3,161.88 and 569.36 is: 853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.24 : 3,161.88 = 569.36 : x
  2. Step 2: Convert to fraction form
    2,108.24/3,161.88 = 569.36/x
  3. Step 3: Cross multiply
    2,108.24x = 3,161.88 × 569.36
  4. Step 4: Simplify right side
    2,108.24x = 1,800,248.00
  5. Step 5: Solve for x
    x = 1,800,248.00/2,108.24
  6. Step 6: Final answer
    x = 853.91

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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.