Home / 2,750.58-4,125.87-1,212.66

Finding the Fourth Proportional to 2,750.58, 4,125.87 and 1,212.66

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Solution

The fourth proportional to 2,750.58, 4,125.87 and 1,212.66 is: 1,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.58 : 4,125.87 = 1,212.66 : x
  2. Step 2: Convert to fraction form
    2,750.58/4,125.87 = 1,212.66/x
  3. Step 3: Cross multiply
    2,750.58x = 4,125.87 × 1,212.66
  4. Step 4: Simplify right side
    2,750.58x = 5,003,277.51
  5. Step 5: Solve for x
    x = 5,003,277.51/2,750.58
  6. Step 6: Final answer
    x = 1,818.99

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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.