Home / 3,849.99-5,776.13-1,385.02

Finding the Fourth Proportional to 3,849.99, 5,776.13 and 1,385.02

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Solution

The fourth proportional to 3,849.99, 5,776.13 and 1,385.02 is: 2,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.99 : 5,776.13 = 1,385.02 : x
  2. Step 2: Convert to fraction form
    3,849.99/5,776.13 = 1,385.02/x
  3. Step 3: Cross multiply
    3,849.99x = 5,776.13 × 1,385.02
  4. Step 4: Simplify right side
    3,849.99x = 8,000,055.57
  5. Step 5: Solve for x
    x = 8,000,055.57/3,849.99
  6. Step 6: Final answer
    x = 2,077.94

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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.