Home / 2,302.80-3,443.40-1,719.60

Finding the Fourth Proportional to 2,302.80, 3,443.40 and 1,719.60

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Solution

The fourth proportional to 2,302.80, 3,443.40 and 1,719.60 is: 2,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.80 : 3,443.40 = 1,719.60 : x
  2. Step 2: Convert to fraction form
    2,302.80/3,443.40 = 1,719.60/x
  3. Step 3: Cross multiply
    2,302.80x = 3,443.40 × 1,719.60
  4. Step 4: Simplify right side
    2,302.80x = 5,921,270.64
  5. Step 5: Solve for x
    x = 5,921,270.64/2,302.80
  6. Step 6: Final answer
    x = 2,571.34

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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.