Home / 2,317.77-3,198.47-1,322.99

Finding the Fourth Proportional to 2,317.77, 3,198.47 and 1,322.99

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Solution

The fourth proportional to 2,317.77, 3,198.47 and 1,322.99 is: 1,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.77 : 3,198.47 = 1,322.99 : x
  2. Step 2: Convert to fraction form
    2,317.77/3,198.47 = 1,322.99/x
  3. Step 3: Cross multiply
    2,317.77x = 3,198.47 × 1,322.99
  4. Step 4: Simplify right side
    2,317.77x = 4,231,533.21
  5. Step 5: Solve for x
    x = 4,231,533.21/2,317.77
  6. Step 6: Final answer
    x = 1,825.69

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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.