Home / 2,669.54-3,679.54-1,785.02

Finding the Fourth Proportional to 2,669.54, 3,679.54 and 1,785.02

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Solution

The fourth proportional to 2,669.54, 3,679.54 and 1,785.02 is: 2,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.54 : 3,679.54 = 1,785.02 : x
  2. Step 2: Convert to fraction form
    2,669.54/3,679.54 = 1,785.02/x
  3. Step 3: Cross multiply
    2,669.54x = 3,679.54 × 1,785.02
  4. Step 4: Simplify right side
    2,669.54x = 6,568,052.49
  5. Step 5: Solve for x
    x = 6,568,052.49/2,669.54
  6. Step 6: Final answer
    x = 2,460.37

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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.