Home / 3,396.41-4,686.77-1,904.12

Finding the Fourth Proportional to 3,396.41, 4,686.77 and 1,904.12

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Solution

The fourth proportional to 3,396.41, 4,686.77 and 1,904.12 is: 2,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.41 : 4,686.77 = 1,904.12 : x
  2. Step 2: Convert to fraction form
    3,396.41/4,686.77 = 1,904.12/x
  3. Step 3: Cross multiply
    3,396.41x = 4,686.77 × 1,904.12
  4. Step 4: Simplify right side
    3,396.41x = 8,924,200.44
  5. Step 5: Solve for x
    x = 8,924,200.44/3,396.41
  6. Step 6: Final answer
    x = 2,627.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.