Home / 3,567.16-5,353.44-1,620.70

Finding the Fourth Proportional to 3,567.16, 5,353.44 and 1,620.70

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Solution

The fourth proportional to 3,567.16, 5,353.44 and 1,620.70 is: 2,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.16 : 5,353.44 = 1,620.70 : x
  2. Step 2: Convert to fraction form
    3,567.16/5,353.44 = 1,620.70/x
  3. Step 3: Cross multiply
    3,567.16x = 5,353.44 × 1,620.70
  4. Step 4: Simplify right side
    3,567.16x = 8,676,320.21
  5. Step 5: Solve for x
    x = 8,676,320.21/3,567.16
  6. Step 6: Final answer
    x = 2,432.28

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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.