Home / 3,380.19-5,070.48-1,625.55

Finding the Fourth Proportional to 3,380.19, 5,070.48 and 1,625.55

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Solution

The fourth proportional to 3,380.19, 5,070.48 and 1,625.55 is: 2,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.19 : 5,070.48 = 1,625.55 : x
  2. Step 2: Convert to fraction form
    3,380.19/5,070.48 = 1,625.55/x
  3. Step 3: Cross multiply
    3,380.19x = 5,070.48 × 1,625.55
  4. Step 4: Simplify right side
    3,380.19x = 8,242,293.41
  5. Step 5: Solve for x
    x = 8,242,293.41/3,380.19
  6. Step 6: Final answer
    x = 2,438.41

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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.