Home / 1,410.03-2,115.27-716.41

Finding the Fourth Proportional to 1,410.03, 2,115.27 and 716.41

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Solution

The fourth proportional to 1,410.03, 2,115.27 and 716.41 is: 1,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.03 : 2,115.27 = 716.41 : x
  2. Step 2: Convert to fraction form
    1,410.03/2,115.27 = 716.41/x
  3. Step 3: Cross multiply
    1,410.03x = 2,115.27 × 716.41
  4. Step 4: Simplify right side
    1,410.03x = 1,515,403.22
  5. Step 5: Solve for x
    x = 1,515,403.22/1,410.03
  6. Step 6: Final answer
    x = 1,074.73

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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.