Home / 1,351.58-2,027.25-571.23

Finding the Fourth Proportional to 1,351.58, 2,027.25 and 571.23

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Solution

The fourth proportional to 1,351.58, 2,027.25 and 571.23 is: 856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.58 : 2,027.25 = 571.23 : x
  2. Step 2: Convert to fraction form
    1,351.58/2,027.25 = 571.23/x
  3. Step 3: Cross multiply
    1,351.58x = 2,027.25 × 571.23
  4. Step 4: Simplify right side
    1,351.58x = 1,158,026.02
  5. Step 5: Solve for x
    x = 1,158,026.02/1,351.58
  6. Step 6: Final answer
    x = 856.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.