Home / 3,148.33-4,344.15-1,821.96

Finding the Fourth Proportional to 3,148.33, 4,344.15 and 1,821.96

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Solution

The fourth proportional to 3,148.33, 4,344.15 and 1,821.96 is: 2,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.33 : 4,344.15 = 1,821.96 : x
  2. Step 2: Convert to fraction form
    3,148.33/4,344.15 = 1,821.96/x
  3. Step 3: Cross multiply
    3,148.33x = 4,344.15 × 1,821.96
  4. Step 4: Simplify right side
    3,148.33x = 7,914,845.81
  5. Step 5: Solve for x
    x = 7,914,845.81/3,148.33
  6. Step 6: Final answer
    x = 2,513.98

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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.