Home / 3,150.89-4,348.35-1,806.49

Finding the Fourth Proportional to 3,150.89, 4,348.35 and 1,806.49

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Solution

The fourth proportional to 3,150.89, 4,348.35 and 1,806.49 is: 2,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.89 : 4,348.35 = 1,806.49 : x
  2. Step 2: Convert to fraction form
    3,150.89/4,348.35 = 1,806.49/x
  3. Step 3: Cross multiply
    3,150.89x = 4,348.35 × 1,806.49
  4. Step 4: Simplify right side
    3,150.89x = 7,855,250.79
  5. Step 5: Solve for x
    x = 7,855,250.79/3,150.89
  6. Step 6: Final answer
    x = 2,493.03

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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.