Home / 3,606.35-5,411.20-1,384.45

Finding the Fourth Proportional to 3,606.35, 5,411.20 and 1,384.45

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Solution

The fourth proportional to 3,606.35, 5,411.20 and 1,384.45 is: 2,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.35 : 5,411.20 = 1,384.45 : x
  2. Step 2: Convert to fraction form
    3,606.35/5,411.20 = 1,384.45/x
  3. Step 3: Cross multiply
    3,606.35x = 5,411.20 × 1,384.45
  4. Step 4: Simplify right side
    3,606.35x = 7,491,508.78
  5. Step 5: Solve for x
    x = 7,491,508.78/3,606.35
  6. Step 6: Final answer
    x = 2,077.31

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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.