Home / 2,813.84-4,220.56-1,232.72

Finding the Fourth Proportional to 2,813.84, 4,220.56 and 1,232.72

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Solution

The fourth proportional to 2,813.84, 4,220.56 and 1,232.72 is: 1,848.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.84 : 4,220.56 = 1,232.72 : x
  2. Step 2: Convert to fraction form
    2,813.84/4,220.56 = 1,232.72/x
  3. Step 3: Cross multiply
    2,813.84x = 4,220.56 × 1,232.72
  4. Step 4: Simplify right side
    2,813.84x = 5,202,768.72
  5. Step 5: Solve for x
    x = 5,202,768.72/2,813.84
  6. Step 6: Final answer
    x = 1,848.99

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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.