Home / 3,899.69-5,849.54-2,810.98

Finding the Fourth Proportional to 3,899.69, 5,849.54 and 2,810.98

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Solution

The fourth proportional to 3,899.69, 5,849.54 and 2,810.98 is: 4,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.69 : 5,849.54 = 2,810.98 : x
  2. Step 2: Convert to fraction form
    3,899.69/5,849.54 = 2,810.98/x
  3. Step 3: Cross multiply
    3,899.69x = 5,849.54 × 2,810.98
  4. Step 4: Simplify right side
    3,899.69x = 16,442,935.20
  5. Step 5: Solve for x
    x = 16,442,935.20/3,899.69
  6. Step 6: Final answer
    x = 4,216.47

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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.