Home / 2,768.76-4,147.56-1,669.74

Finding the Fourth Proportional to 2,768.76, 4,147.56 and 1,669.74

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Solution

The fourth proportional to 2,768.76, 4,147.56 and 1,669.74 is: 2,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.76 : 4,147.56 = 1,669.74 : x
  2. Step 2: Convert to fraction form
    2,768.76/4,147.56 = 1,669.74/x
  3. Step 3: Cross multiply
    2,768.76x = 4,147.56 × 1,669.74
  4. Step 4: Simplify right side
    2,768.76x = 6,925,346.83
  5. Step 5: Solve for x
    x = 6,925,346.83/2,768.76
  6. Step 6: Final answer
    x = 2,501.24

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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.