Home / 3,852.16-5,781.48-3,609.16

Finding the Fourth Proportional to 3,852.16, 5,781.48 and 3,609.16

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Solution

The fourth proportional to 3,852.16, 5,781.48 and 3,609.16 is: 5,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.16 : 5,781.48 = 3,609.16 : x
  2. Step 2: Convert to fraction form
    3,852.16/5,781.48 = 3,609.16/x
  3. Step 3: Cross multiply
    3,852.16x = 5,781.48 × 3,609.16
  4. Step 4: Simplify right side
    3,852.16x = 20,866,307.12
  5. Step 5: Solve for x
    x = 20,866,307.12/3,852.16
  6. Step 6: Final answer
    x = 5,416.78

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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.