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Finding the Fourth Proportional to 3,477.07, 5,208.66 and 2,089.66

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Solution

The fourth proportional to 3,477.07, 5,208.66 and 2,089.66 is: 3,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.07 : 5,208.66 = 2,089.66 : x
  2. Step 2: Convert to fraction form
    3,477.07/5,208.66 = 2,089.66/x
  3. Step 3: Cross multiply
    3,477.07x = 5,208.66 × 2,089.66
  4. Step 4: Simplify right side
    3,477.07x = 10,884,297.19
  5. Step 5: Solve for x
    x = 10,884,297.19/3,477.07
  6. Step 6: Final answer
    x = 3,130.31

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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.