Home / 3,605.29-5,397.39-3,259.42

Finding the Fourth Proportional to 3,605.29, 5,397.39 and 3,259.42

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Solution

The fourth proportional to 3,605.29, 5,397.39 and 3,259.42 is: 4,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.29 : 5,397.39 = 3,259.42 : x
  2. Step 2: Convert to fraction form
    3,605.29/5,397.39 = 3,259.42/x
  3. Step 3: Cross multiply
    3,605.29x = 5,397.39 × 3,259.42
  4. Step 4: Simplify right side
    3,605.29x = 17,592,360.91
  5. Step 5: Solve for x
    x = 17,592,360.91/3,605.29
  6. Step 6: Final answer
    x = 4,879.60

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1.5x scale

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.