Home / 3,582.61-4,943.98-2,185.36

Finding the Fourth Proportional to 3,582.61, 4,943.98 and 2,185.36

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Solution

The fourth proportional to 3,582.61, 4,943.98 and 2,185.36 is: 3,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.61 : 4,943.98 = 2,185.36 : x
  2. Step 2: Convert to fraction form
    3,582.61/4,943.98 = 2,185.36/x
  3. Step 3: Cross multiply
    3,582.61x = 4,943.98 × 2,185.36
  4. Step 4: Simplify right side
    3,582.61x = 10,804,376.13
  5. Step 5: Solve for x
    x = 10,804,376.13/3,582.61
  6. Step 6: Final answer
    x = 3,015.78

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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.