Home / 3,781.58-5,219.60-2,364.41

Finding the Fourth Proportional to 3,781.58, 5,219.60 and 2,364.41

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Solution

The fourth proportional to 3,781.58, 5,219.60 and 2,364.41 is: 3,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.58 : 5,219.60 = 2,364.41 : x
  2. Step 2: Convert to fraction form
    3,781.58/5,219.60 = 2,364.41/x
  3. Step 3: Cross multiply
    3,781.58x = 5,219.60 × 2,364.41
  4. Step 4: Simplify right side
    3,781.58x = 12,341,236.52
  5. Step 5: Solve for x
    x = 12,341,236.52/3,781.58
  6. Step 6: Final answer
    x = 3,263.52

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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.