Home / 3,384.72-5,077.17-1,629.45

Finding the Fourth Proportional to 3,384.72, 5,077.17 and 1,629.45

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Solution

The fourth proportional to 3,384.72, 5,077.17 and 1,629.45 is: 2,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.72 : 5,077.17 = 1,629.45 : x
  2. Step 2: Convert to fraction form
    3,384.72/5,077.17 = 1,629.45/x
  3. Step 3: Cross multiply
    3,384.72x = 5,077.17 × 1,629.45
  4. Step 4: Simplify right side
    3,384.72x = 8,272,994.66
  5. Step 5: Solve for x
    x = 8,272,994.66/3,384.72
  6. Step 6: Final answer
    x = 2,444.22

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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.