Home / 3,623.31-5,434.86-1,158.28

Finding the Fourth Proportional to 3,623.31, 5,434.86 and 1,158.28

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Solution

The fourth proportional to 3,623.31, 5,434.86 and 1,158.28 is: 1,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.31 : 5,434.86 = 1,158.28 : x
  2. Step 2: Convert to fraction form
    3,623.31/5,434.86 = 1,158.28/x
  3. Step 3: Cross multiply
    3,623.31x = 5,434.86 × 1,158.28
  4. Step 4: Simplify right side
    3,623.31x = 6,295,089.64
  5. Step 5: Solve for x
    x = 6,295,089.64/3,623.31
  6. Step 6: Final answer
    x = 1,737.39

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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.