Home / 3,255.25-4,493.06-1,858.81

Finding the Fourth Proportional to 3,255.25, 4,493.06 and 1,858.81

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Solution

The fourth proportional to 3,255.25, 4,493.06 and 1,858.81 is: 2,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.25 : 4,493.06 = 1,858.81 : x
  2. Step 2: Convert to fraction form
    3,255.25/4,493.06 = 1,858.81/x
  3. Step 3: Cross multiply
    3,255.25x = 4,493.06 × 1,858.81
  4. Step 4: Simplify right side
    3,255.25x = 8,351,744.86
  5. Step 5: Solve for x
    x = 8,351,744.86/3,255.25
  6. Step 6: Final answer
    x = 2,565.62

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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.