Home / 3,453.20-4,765.42-1,881.30

Finding the Fourth Proportional to 3,453.20, 4,765.42 and 1,881.30

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Solution

The fourth proportional to 3,453.20, 4,765.42 and 1,881.30 is: 2,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.20 : 4,765.42 = 1,881.30 : x
  2. Step 2: Convert to fraction form
    3,453.20/4,765.42 = 1,881.30/x
  3. Step 3: Cross multiply
    3,453.20x = 4,765.42 × 1,881.30
  4. Step 4: Simplify right side
    3,453.20x = 8,965,184.65
  5. Step 5: Solve for x
    x = 8,965,184.65/3,453.20
  6. Step 6: Final answer
    x = 2,596.20

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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.