Home / 2,322.87-3,205.85-1,328.01

Finding the Fourth Proportional to 2,322.87, 3,205.85 and 1,328.01

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Solution

The fourth proportional to 2,322.87, 3,205.85 and 1,328.01 is: 1,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.87 : 3,205.85 = 1,328.01 : x
  2. Step 2: Convert to fraction form
    2,322.87/3,205.85 = 1,328.01/x
  3. Step 3: Cross multiply
    2,322.87x = 3,205.85 × 1,328.01
  4. Step 4: Simplify right side
    2,322.87x = 4,257,400.86
  5. Step 5: Solve for x
    x = 4,257,400.86/2,322.87
  6. Step 6: Final answer
    x = 1,832.82

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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.