Home / 3,200.58-4,416.36-1,803.36

Finding the Fourth Proportional to 3,200.58, 4,416.36 and 1,803.36

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Solution

The fourth proportional to 3,200.58, 4,416.36 and 1,803.36 is: 2,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.58 : 4,416.36 = 1,803.36 : x
  2. Step 2: Convert to fraction form
    3,200.58/4,416.36 = 1,803.36/x
  3. Step 3: Cross multiply
    3,200.58x = 4,416.36 × 1,803.36
  4. Step 4: Simplify right side
    3,200.58x = 7,964,286.97
  5. Step 5: Solve for x
    x = 7,964,286.97/3,200.58
  6. Step 6: Final answer
    x = 2,488.39

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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.