Home / 1,569.96-2,350.98-1,327.56

Finding the Fourth Proportional to 1,569.96, 2,350.98 and 1,327.56

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Solution

The fourth proportional to 1,569.96, 2,350.98 and 1,327.56 is: 1,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.96 : 2,350.98 = 1,327.56 : x
  2. Step 2: Convert to fraction form
    1,569.96/2,350.98 = 1,327.56/x
  3. Step 3: Cross multiply
    1,569.96x = 2,350.98 × 1,327.56
  4. Step 4: Simplify right side
    1,569.96x = 3,121,067.01
  5. Step 5: Solve for x
    x = 3,121,067.01/1,569.96
  6. Step 6: Final answer
    x = 1,987.99

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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.