Home / 2,646.81-3,967.38-1,673.19

Finding the Fourth Proportional to 2,646.81, 3,967.38 and 1,673.19

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Solution

The fourth proportional to 2,646.81, 3,967.38 and 1,673.19 is: 2,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.81 : 3,967.38 = 1,673.19 : x
  2. Step 2: Convert to fraction form
    2,646.81/3,967.38 = 1,673.19/x
  3. Step 3: Cross multiply
    2,646.81x = 3,967.38 × 1,673.19
  4. Step 4: Simplify right side
    2,646.81x = 6,638,180.54
  5. Step 5: Solve for x
    x = 6,638,180.54/2,646.81
  6. Step 6: Final answer
    x = 2,507.99

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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.