Home / 2,108.04-2,909.13-1,163.82

Finding the Fourth Proportional to 2,108.04, 2,909.13 and 1,163.82

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Solution

The fourth proportional to 2,108.04, 2,909.13 and 1,163.82 is: 1,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.04 : 2,909.13 = 1,163.82 : x
  2. Step 2: Convert to fraction form
    2,108.04/2,909.13 = 1,163.82/x
  3. Step 3: Cross multiply
    2,108.04x = 2,909.13 × 1,163.82
  4. Step 4: Simplify right side
    2,108.04x = 3,385,703.68
  5. Step 5: Solve for x
    x = 3,385,703.68/2,108.04
  6. Step 6: Final answer
    x = 1,606.09

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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.