Home / 3,435.67-5,149.28-1,584.21

Finding the Fourth Proportional to 3,435.67, 5,149.28 and 1,584.21

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Solution

The fourth proportional to 3,435.67, 5,149.28 and 1,584.21 is: 2,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.67 : 5,149.28 = 1,584.21 : x
  2. Step 2: Convert to fraction form
    3,435.67/5,149.28 = 1,584.21/x
  3. Step 3: Cross multiply
    3,435.67x = 5,149.28 × 1,584.21
  4. Step 4: Simplify right side
    3,435.67x = 8,157,532.95
  5. Step 5: Solve for x
    x = 8,157,532.95/3,435.67
  6. Step 6: Final answer
    x = 2,374.37

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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.