Home / 3,453.19-4,765.50-1,881.38

Finding the Fourth Proportional to 3,453.19, 4,765.50 and 1,881.38

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Solution

The fourth proportional to 3,453.19, 4,765.50 and 1,881.38 is: 2,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.19 : 4,765.50 = 1,881.38 : x
  2. Step 2: Convert to fraction form
    3,453.19/4,765.50 = 1,881.38/x
  3. Step 3: Cross multiply
    3,453.19x = 4,765.50 × 1,881.38
  4. Step 4: Simplify right side
    3,453.19x = 8,965,728.30
  5. Step 5: Solve for x
    x = 8,965,728.30/3,453.19
  6. Step 6: Final answer
    x = 2,596.36

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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.