Home / 2,548.68-3,517.18-1,429.60

Finding the Fourth Proportional to 2,548.68, 3,517.18 and 1,429.60

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Solution

The fourth proportional to 2,548.68, 3,517.18 and 1,429.60 is: 1,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.68 : 3,517.18 = 1,429.60 : x
  2. Step 2: Convert to fraction form
    2,548.68/3,517.18 = 1,429.60/x
  3. Step 3: Cross multiply
    2,548.68x = 3,517.18 × 1,429.60
  4. Step 4: Simplify right side
    2,548.68x = 5,028,143.94
  5. Step 5: Solve for x
    x = 5,028,143.94/2,548.68
  6. Step 6: Final answer
    x = 1,972.84

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1.5x scale

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.