Home / 2,548.70-3,517.36-1,429.58

Finding the Fourth Proportional to 2,548.70, 3,517.36 and 1,429.58

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Solution

The fourth proportional to 2,548.70, 3,517.36 and 1,429.58 is: 1,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.70 : 3,517.36 = 1,429.58 : x
  2. Step 2: Convert to fraction form
    2,548.70/3,517.36 = 1,429.58/x
  3. Step 3: Cross multiply
    2,548.70x = 3,517.36 × 1,429.58
  4. Step 4: Simplify right side
    2,548.70x = 5,028,347.51
  5. Step 5: Solve for x
    x = 5,028,347.51/2,548.70
  6. Step 6: Final answer
    x = 1,972.91

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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.