Home / 2,548.48-3,517-1,429.60

Finding the Fourth Proportional to 2,548.48, 3,517 and 1,429.60

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Solution

The fourth proportional to 2,548.48, 3,517 and 1,429.60 is: 1,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.48 : 3,517 = 1,429.60 : x
  2. Step 2: Convert to fraction form
    2,548.48/3,517 = 1,429.60/x
  3. Step 3: Cross multiply
    2,548.48x = 3,517 × 1,429.60
  4. Step 4: Simplify right side
    2,548.48x = 5,027,903.20
  5. Step 5: Solve for x
    x = 5,027,903.20/2,548.48
  6. Step 6: Final answer
    x = 1,972.90

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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.