Home / 2,427.23-3,640.79-1,384.64

Finding the Fourth Proportional to 2,427.23, 3,640.79 and 1,384.64

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Solution

The fourth proportional to 2,427.23, 3,640.79 and 1,384.64 is: 2,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.23 : 3,640.79 = 1,384.64 : x
  2. Step 2: Convert to fraction form
    2,427.23/3,640.79 = 1,384.64/x
  3. Step 3: Cross multiply
    2,427.23x = 3,640.79 × 1,384.64
  4. Step 4: Simplify right side
    2,427.23x = 5,041,193.12
  5. Step 5: Solve for x
    x = 5,041,193.12/2,427.23
  6. Step 6: Final answer
    x = 2,076.93

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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.