Home / 3,219.35-4,830.30-1,575.86

Finding the Fourth Proportional to 3,219.35, 4,830.30 and 1,575.86

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Solution

The fourth proportional to 3,219.35, 4,830.30 and 1,575.86 is: 2,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.35 : 4,830.30 = 1,575.86 : x
  2. Step 2: Convert to fraction form
    3,219.35/4,830.30 = 1,575.86/x
  3. Step 3: Cross multiply
    3,219.35x = 4,830.30 × 1,575.86
  4. Step 4: Simplify right side
    3,219.35x = 7,611,852.41
  5. Step 5: Solve for x
    x = 7,611,852.41/3,219.35
  6. Step 6: Final answer
    x = 2,364.41

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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.