Home / 3,199.81-4,415.82-1,873.57

Finding the Fourth Proportional to 3,199.81, 4,415.82 and 1,873.57

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Solution

The fourth proportional to 3,199.81, 4,415.82 and 1,873.57 is: 2,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.81 : 4,415.82 = 1,873.57 : x
  2. Step 2: Convert to fraction form
    3,199.81/4,415.82 = 1,873.57/x
  3. Step 3: Cross multiply
    3,199.81x = 4,415.82 × 1,873.57
  4. Step 4: Simplify right side
    3,199.81x = 8,273,347.88
  5. Step 5: Solve for x
    x = 8,273,347.88/3,199.81
  6. Step 6: Final answer
    x = 2,585.57

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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.