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Finding the Fourth Proportional to 2,219.58, 3,329.35 and 575.98

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Solution

The fourth proportional to 2,219.58, 3,329.35 and 575.98 is: 863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.58 : 3,329.35 = 575.98 : x
  2. Step 2: Convert to fraction form
    2,219.58/3,329.35 = 575.98/x
  3. Step 3: Cross multiply
    2,219.58x = 3,329.35 × 575.98
  4. Step 4: Simplify right side
    2,219.58x = 1,917,629.25
  5. Step 5: Solve for x
    x = 1,917,629.25/2,219.58
  6. Step 6: Final answer
    x = 863.96

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1.5x scale

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.