Home / 3,608.15-5,407.99-1,631.47

Finding the Fourth Proportional to 3,608.15, 5,407.99 and 1,631.47

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Solution

The fourth proportional to 3,608.15, 5,407.99 and 1,631.47 is: 2,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.15 : 5,407.99 = 1,631.47 : x
  2. Step 2: Convert to fraction form
    3,608.15/5,407.99 = 1,631.47/x
  3. Step 3: Cross multiply
    3,608.15x = 5,407.99 × 1,631.47
  4. Step 4: Simplify right side
    3,608.15x = 8,822,955.37
  5. Step 5: Solve for x
    x = 8,822,955.37/3,608.15
  6. Step 6: Final answer
    x = 2,445.29

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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.