Home / 2,328.35-3,213-1,333.40

Finding the Fourth Proportional to 2,328.35, 3,213 and 1,333.40

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Solution

The fourth proportional to 2,328.35, 3,213 and 1,333.40 is: 1,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.35 : 3,213 = 1,333.40 : x
  2. Step 2: Convert to fraction form
    2,328.35/3,213 = 1,333.40/x
  3. Step 3: Cross multiply
    2,328.35x = 3,213 × 1,333.40
  4. Step 4: Simplify right side
    2,328.35x = 4,284,198.14
  5. Step 5: Solve for x
    x = 4,284,198.14/2,328.35
  6. Step 6: Final answer
    x = 1,840.02

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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.