Home / 3,212.17-4,817.64-1,020.91

Finding the Fourth Proportional to 3,212.17, 4,817.64 and 1,020.91

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Solution

The fourth proportional to 3,212.17, 4,817.64 and 1,020.91 is: 1,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.17 : 4,817.64 = 1,020.91 : x
  2. Step 2: Convert to fraction form
    3,212.17/4,817.64 = 1,020.91/x
  3. Step 3: Cross multiply
    3,212.17x = 4,817.64 × 1,020.91
  4. Step 4: Simplify right side
    3,212.17x = 4,918,376.85
  5. Step 5: Solve for x
    x = 4,918,376.85/3,212.17
  6. Step 6: Final answer
    x = 1,531.17

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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.