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Finding the Fourth Proportional to 3,071.81, 4,604.81 and 1,224.06

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Solution

The fourth proportional to 3,071.81, 4,604.81 and 1,224.06 is: 1,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.81 : 4,604.81 = 1,224.06 : x
  2. Step 2: Convert to fraction form
    3,071.81/4,604.81 = 1,224.06/x
  3. Step 3: Cross multiply
    3,071.81x = 4,604.81 × 1,224.06
  4. Step 4: Simplify right side
    3,071.81x = 5,636,557.61
  5. Step 5: Solve for x
    x = 5,636,557.61/3,071.81
  6. Step 6: Final answer
    x = 1,834.93

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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.