Home / 2,883.32-4,325.64-1,324.40

Finding the Fourth Proportional to 2,883.32, 4,325.64 and 1,324.40

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Solution

The fourth proportional to 2,883.32, 4,325.64 and 1,324.40 is: 1,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.32 : 4,325.64 = 1,324.40 : x
  2. Step 2: Convert to fraction form
    2,883.32/4,325.64 = 1,324.40/x
  3. Step 3: Cross multiply
    2,883.32x = 4,325.64 × 1,324.40
  4. Step 4: Simplify right side
    2,883.32x = 5,728,855.99
  5. Step 5: Solve for x
    x = 5,728,855.99/2,883.32
  6. Step 6: Final answer
    x = 1,986.90

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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.