Home / 2,986.43-4,473.05-1,872.22

Finding the Fourth Proportional to 2,986.43, 4,473.05 and 1,872.22

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Solution

The fourth proportional to 2,986.43, 4,473.05 and 1,872.22 is: 2,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.43 : 4,473.05 = 1,872.22 : x
  2. Step 2: Convert to fraction form
    2,986.43/4,473.05 = 1,872.22/x
  3. Step 3: Cross multiply
    2,986.43x = 4,473.05 × 1,872.22
  4. Step 4: Simplify right side
    2,986.43x = 8,374,501.94
  5. Step 5: Solve for x
    x = 8,374,501.94/2,986.43
  6. Step 6: Final answer
    x = 2,804.18

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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.