Home / 3,219.40-4,829.73-1,575.96

Finding the Fourth Proportional to 3,219.40, 4,829.73 and 1,575.96

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Solution

The fourth proportional to 3,219.40, 4,829.73 and 1,575.96 is: 2,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.40 : 4,829.73 = 1,575.96 : x
  2. Step 2: Convert to fraction form
    3,219.40/4,829.73 = 1,575.96/x
  3. Step 3: Cross multiply
    3,219.40x = 4,829.73 × 1,575.96
  4. Step 4: Simplify right side
    3,219.40x = 7,611,461.29
  5. Step 5: Solve for x
    x = 7,611,461.29/3,219.40
  6. Step 6: Final answer
    x = 2,364.25

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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.