Home / 2,848.86-3,930.14-1,669.43

Finding the Fourth Proportional to 2,848.86, 3,930.14 and 1,669.43

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Solution

The fourth proportional to 2,848.86, 3,930.14 and 1,669.43 is: 2,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.86 : 3,930.14 = 1,669.43 : x
  2. Step 2: Convert to fraction form
    2,848.86/3,930.14 = 1,669.43/x
  3. Step 3: Cross multiply
    2,848.86x = 3,930.14 × 1,669.43
  4. Step 4: Simplify right side
    2,848.86x = 6,561,065.62
  5. Step 5: Solve for x
    x = 6,561,065.62/2,848.86
  6. Step 6: Final answer
    x = 2,303.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.