Home / 2,328.72-3,214-1,333.76

Finding the Fourth Proportional to 2,328.72, 3,214 and 1,333.76

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Solution

The fourth proportional to 2,328.72, 3,214 and 1,333.76 is: 1,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.72 : 3,214 = 1,333.76 : x
  2. Step 2: Convert to fraction form
    2,328.72/3,214 = 1,333.76/x
  3. Step 3: Cross multiply
    2,328.72x = 3,214 × 1,333.76
  4. Step 4: Simplify right side
    2,328.72x = 4,286,704.64
  5. Step 5: Solve for x
    x = 4,286,704.64/2,328.72
  6. Step 6: Final answer
    x = 1,840.80

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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.