Home / 2,775.90-4,169.15-1,608.25

Finding the Fourth Proportional to 2,775.90, 4,169.15 and 1,608.25

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Solution

The fourth proportional to 2,775.90, 4,169.15 and 1,608.25 is: 2,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.90 : 4,169.15 = 1,608.25 : x
  2. Step 2: Convert to fraction form
    2,775.90/4,169.15 = 1,608.25/x
  3. Step 3: Cross multiply
    2,775.90x = 4,169.15 × 1,608.25
  4. Step 4: Simplify right side
    2,775.90x = 6,705,006.60
  5. Step 5: Solve for x
    x = 6,705,006.60/2,775.90
  6. Step 6: Final answer
    x = 2,415.44

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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.