Home / 2,548.36-3,516.68-1,429.28

Finding the Fourth Proportional to 2,548.36, 3,516.68 and 1,429.28

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Solution

The fourth proportional to 2,548.36, 3,516.68 and 1,429.28 is: 1,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.36 : 3,516.68 = 1,429.28 : x
  2. Step 2: Convert to fraction form
    2,548.36/3,516.68 = 1,429.28/x
  3. Step 3: Cross multiply
    2,548.36x = 3,516.68 × 1,429.28
  4. Step 4: Simplify right side
    2,548.36x = 5,026,320.39
  5. Step 5: Solve for x
    x = 5,026,320.39/2,548.36
  6. Step 6: Final answer
    x = 1,972.37

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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.