Home / 2,317.48-3,198.50-1,322.80

Finding the Fourth Proportional to 2,317.48, 3,198.50 and 1,322.80

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Solution

The fourth proportional to 2,317.48, 3,198.50 and 1,322.80 is: 1,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.48 : 3,198.50 = 1,322.80 : x
  2. Step 2: Convert to fraction form
    2,317.48/3,198.50 = 1,322.80/x
  3. Step 3: Cross multiply
    2,317.48x = 3,198.50 × 1,322.80
  4. Step 4: Simplify right side
    2,317.48x = 4,230,975.80
  5. Step 5: Solve for x
    x = 4,230,975.80/2,317.48
  6. Step 6: Final answer
    x = 1,825.68

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1.5x scale

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.