Home / 2,849.08-3,930.28-1,669.92

Finding the Fourth Proportional to 2,849.08, 3,930.28 and 1,669.92

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Solution

The fourth proportional to 2,849.08, 3,930.28 and 1,669.92 is: 2,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.08 : 3,930.28 = 1,669.92 : x
  2. Step 2: Convert to fraction form
    2,849.08/3,930.28 = 1,669.92/x
  3. Step 3: Cross multiply
    2,849.08x = 3,930.28 × 1,669.92
  4. Step 4: Simplify right side
    2,849.08x = 6,563,253.18
  5. Step 5: Solve for x
    x = 6,563,253.18/2,849.08
  6. Step 6: Final answer
    x = 2,303.64

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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.