Home / 4,161.31-6,243.32-1,969.74

Finding the Fourth Proportional to 4,161.31, 6,243.32 and 1,969.74

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Solution

The fourth proportional to 4,161.31, 6,243.32 and 1,969.74 is: 2,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.31 : 6,243.32 = 1,969.74 : x
  2. Step 2: Convert to fraction form
    4,161.31/6,243.32 = 1,969.74/x
  3. Step 3: Cross multiply
    4,161.31x = 6,243.32 × 1,969.74
  4. Step 4: Simplify right side
    4,161.31x = 12,297,722.06
  5. Step 5: Solve for x
    x = 12,297,722.06/4,161.31
  6. Step 6: Final answer
    x = 2,955.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.