Home / 3,925.80-5,416.26-2,246.60

Finding the Fourth Proportional to 3,925.80, 5,416.26 and 2,246.60

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Solution

The fourth proportional to 3,925.80, 5,416.26 and 2,246.60 is: 3,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.80 : 5,416.26 = 2,246.60 : x
  2. Step 2: Convert to fraction form
    3,925.80/5,416.26 = 2,246.60/x
  3. Step 3: Cross multiply
    3,925.80x = 5,416.26 × 2,246.60
  4. Step 4: Simplify right side
    3,925.80x = 12,168,142.63
  5. Step 5: Solve for x
    x = 12,168,142.63/3,925.80
  6. Step 6: Final answer
    x = 3,099.53

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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.