Home / 3,546.22-5,320.17-1,786.90

Finding the Fourth Proportional to 3,546.22, 5,320.17 and 1,786.90

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Solution

The fourth proportional to 3,546.22, 5,320.17 and 1,786.90 is: 2,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.22 : 5,320.17 = 1,786.90 : x
  2. Step 2: Convert to fraction form
    3,546.22/5,320.17 = 1,786.90/x
  3. Step 3: Cross multiply
    3,546.22x = 5,320.17 × 1,786.90
  4. Step 4: Simplify right side
    3,546.22x = 9,506,598.47
  5. Step 5: Solve for x
    x = 9,506,598.47/3,546.22
  6. Step 6: Final answer
    x = 2,680.77

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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.