Home / 3,628.68-5,445.88-1,873.60

Finding the Fourth Proportional to 3,628.68, 5,445.88 and 1,873.60

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Solution

The fourth proportional to 3,628.68, 5,445.88 and 1,873.60 is: 2,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.68 : 5,445.88 = 1,873.60 : x
  2. Step 2: Convert to fraction form
    3,628.68/5,445.88 = 1,873.60/x
  3. Step 3: Cross multiply
    3,628.68x = 5,445.88 × 1,873.60
  4. Step 4: Simplify right side
    3,628.68x = 10,203,400.77
  5. Step 5: Solve for x
    x = 10,203,400.77/3,628.68
  6. Step 6: Final answer
    x = 2,811.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.