Home / 2,768.58-4,153.95-1,228.50

Finding the Fourth Proportional to 2,768.58, 4,153.95 and 1,228.50

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Solution

The fourth proportional to 2,768.58, 4,153.95 and 1,228.50 is: 1,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.58 : 4,153.95 = 1,228.50 : x
  2. Step 2: Convert to fraction form
    2,768.58/4,153.95 = 1,228.50/x
  3. Step 3: Cross multiply
    2,768.58x = 4,153.95 × 1,228.50
  4. Step 4: Simplify right side
    2,768.58x = 5,103,127.58
  5. Step 5: Solve for x
    x = 5,103,127.58/2,768.58
  6. Step 6: Final answer
    x = 1,843.23

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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.