Home / 2,104.09-3,156.23-623.32

Finding the Fourth Proportional to 2,104.09, 3,156.23 and 623.32

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Solution

The fourth proportional to 2,104.09, 3,156.23 and 623.32 is: 935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.09 : 3,156.23 = 623.32 : x
  2. Step 2: Convert to fraction form
    2,104.09/3,156.23 = 623.32/x
  3. Step 3: Cross multiply
    2,104.09x = 3,156.23 × 623.32
  4. Step 4: Simplify right side
    2,104.09x = 1,967,341.28
  5. Step 5: Solve for x
    x = 1,967,341.28/2,104.09
  6. Step 6: Final answer
    x = 935.01

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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.