Home / 2,631.06-3,629.34-1,699.56

Finding the Fourth Proportional to 2,631.06, 3,629.34 and 1,699.56

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Solution

The fourth proportional to 2,631.06, 3,629.34 and 1,699.56 is: 2,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.06 : 3,629.34 = 1,699.56 : x
  2. Step 2: Convert to fraction form
    2,631.06/3,629.34 = 1,699.56/x
  3. Step 3: Cross multiply
    2,631.06x = 3,629.34 × 1,699.56
  4. Step 4: Simplify right side
    2,631.06x = 6,168,281.09
  5. Step 5: Solve for x
    x = 6,168,281.09/2,631.06
  6. Step 6: Final answer
    x = 2,344.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.