Home / 3,255.75-4,493.21-1,858.77

Finding the Fourth Proportional to 3,255.75, 4,493.21 and 1,858.77

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Solution

The fourth proportional to 3,255.75, 4,493.21 and 1,858.77 is: 2,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.75 : 4,493.21 = 1,858.77 : x
  2. Step 2: Convert to fraction form
    3,255.75/4,493.21 = 1,858.77/x
  3. Step 3: Cross multiply
    3,255.75x = 4,493.21 × 1,858.77
  4. Step 4: Simplify right side
    3,255.75x = 8,351,834.66
  5. Step 5: Solve for x
    x = 8,351,834.66/3,255.75
  6. Step 6: Final answer
    x = 2,565.26

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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.