Home / 3,927.94-5,420.82-2,599.36

Finding the Fourth Proportional to 3,927.94, 5,420.82 and 2,599.36

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Solution

The fourth proportional to 3,927.94, 5,420.82 and 2,599.36 is: 3,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.94 : 5,420.82 = 2,599.36 : x
  2. Step 2: Convert to fraction form
    3,927.94/5,420.82 = 2,599.36/x
  3. Step 3: Cross multiply
    3,927.94x = 5,420.82 × 2,599.36
  4. Step 4: Simplify right side
    3,927.94x = 14,090,662.68
  5. Step 5: Solve for x
    x = 14,090,662.68/3,927.94
  6. Step 6: Final answer
    x = 3,587.29

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1.5x scale

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.