Home / 3,849.66-5,769.58-1,875.76

Finding the Fourth Proportional to 3,849.66, 5,769.58 and 1,875.76

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Solution

The fourth proportional to 3,849.66, 5,769.58 and 1,875.76 is: 2,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.66 : 5,769.58 = 1,875.76 : x
  2. Step 2: Convert to fraction form
    3,849.66/5,769.58 = 1,875.76/x
  3. Step 3: Cross multiply
    3,849.66x = 5,769.58 × 1,875.76
  4. Step 4: Simplify right side
    3,849.66x = 10,822,347.38
  5. Step 5: Solve for x
    x = 10,822,347.38/3,849.66
  6. Step 6: Final answer
    x = 2,811.25

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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.