Home / 3,221.84-4,829.88-1,577.36

Finding the Fourth Proportional to 3,221.84, 4,829.88 and 1,577.36

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Solution

The fourth proportional to 3,221.84, 4,829.88 and 1,577.36 is: 2,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.84 : 4,829.88 = 1,577.36 : x
  2. Step 2: Convert to fraction form
    3,221.84/4,829.88 = 1,577.36/x
  3. Step 3: Cross multiply
    3,221.84x = 4,829.88 × 1,577.36
  4. Step 4: Simplify right side
    3,221.84x = 7,618,459.52
  5. Step 5: Solve for x
    x = 7,618,459.52/3,221.84
  6. Step 6: Final answer
    x = 2,364.63

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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.