Home / 2,322.53-3,480.07-1,857.86

Finding the Fourth Proportional to 2,322.53, 3,480.07 and 1,857.86

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Solution

The fourth proportional to 2,322.53, 3,480.07 and 1,857.86 is: 2,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.53 : 3,480.07 = 1,857.86 : x
  2. Step 2: Convert to fraction form
    2,322.53/3,480.07 = 1,857.86/x
  3. Step 3: Cross multiply
    2,322.53x = 3,480.07 × 1,857.86
  4. Step 4: Simplify right side
    2,322.53x = 6,465,482.85
  5. Step 5: Solve for x
    x = 6,465,482.85/2,322.53
  6. Step 6: Final answer
    x = 2,783.81

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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.