Home / 2,553.40-3,523.66-1,558.51

Finding the Fourth Proportional to 2,553.40, 3,523.66 and 1,558.51

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Solution

The fourth proportional to 2,553.40, 3,523.66 and 1,558.51 is: 2,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.40 : 3,523.66 = 1,558.51 : x
  2. Step 2: Convert to fraction form
    2,553.40/3,523.66 = 1,558.51/x
  3. Step 3: Cross multiply
    2,553.40x = 3,523.66 × 1,558.51
  4. Step 4: Simplify right side
    2,553.40x = 5,491,659.35
  5. Step 5: Solve for x
    x = 5,491,659.35/2,553.40
  6. Step 6: Final answer
    x = 2,150.72

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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.