Home / 3,251.66-4,486.64-1,925.60

Finding the Fourth Proportional to 3,251.66, 4,486.64 and 1,925.60

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Solution

The fourth proportional to 3,251.66, 4,486.64 and 1,925.60 is: 2,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.66 : 4,486.64 = 1,925.60 : x
  2. Step 2: Convert to fraction form
    3,251.66/4,486.64 = 1,925.60/x
  3. Step 3: Cross multiply
    3,251.66x = 4,486.64 × 1,925.60
  4. Step 4: Simplify right side
    3,251.66x = 8,639,441.92
  5. Step 5: Solve for x
    x = 8,639,441.92/3,251.66
  6. Step 6: Final answer
    x = 2,656.94

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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.