Home / 1,351.63-2,028.25-571.59

Finding the Fourth Proportional to 1,351.63, 2,028.25 and 571.59

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Solution

The fourth proportional to 1,351.63, 2,028.25 and 571.59 is: 857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.63 : 2,028.25 = 571.59 : x
  2. Step 2: Convert to fraction form
    1,351.63/2,028.25 = 571.59/x
  3. Step 3: Cross multiply
    1,351.63x = 2,028.25 × 571.59
  4. Step 4: Simplify right side
    1,351.63x = 1,159,327.42
  5. Step 5: Solve for x
    x = 1,159,327.42/1,351.63
  6. Step 6: Final answer
    x = 857.73

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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.