Home / 3,443.21-4,751.90-1,951.49

Finding the Fourth Proportional to 3,443.21, 4,751.90 and 1,951.49

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Solution

The fourth proportional to 3,443.21, 4,751.90 and 1,951.49 is: 2,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.21 : 4,751.90 = 1,951.49 : x
  2. Step 2: Convert to fraction form
    3,443.21/4,751.90 = 1,951.49/x
  3. Step 3: Cross multiply
    3,443.21x = 4,751.90 × 1,951.49
  4. Step 4: Simplify right side
    3,443.21x = 9,273,302.09
  5. Step 5: Solve for x
    x = 9,273,302.09/3,443.21
  6. Step 6: Final answer
    x = 2,693.22

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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.