Home / 3,303.90-4,950.54-1,221

Finding the Fourth Proportional to 3,303.90, 4,950.54 and 1,221

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Solution

The fourth proportional to 3,303.90, 4,950.54 and 1,221 is: 1,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.90 : 4,950.54 = 1,221 : x
  2. Step 2: Convert to fraction form
    3,303.90/4,950.54 = 1,221/x
  3. Step 3: Cross multiply
    3,303.90x = 4,950.54 × 1,221
  4. Step 4: Simplify right side
    3,303.90x = 6,044,609.34
  5. Step 5: Solve for x
    x = 6,044,609.34/3,303.90
  6. Step 6: Final answer
    x = 1,829.54

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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.