Home / 2,927.25-4,039.61-2,181.85

Finding the Fourth Proportional to 2,927.25, 4,039.61 and 2,181.85

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Solution

The fourth proportional to 2,927.25, 4,039.61 and 2,181.85 is: 3,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.25 : 4,039.61 = 2,181.85 : x
  2. Step 2: Convert to fraction form
    2,927.25/4,039.61 = 2,181.85/x
  3. Step 3: Cross multiply
    2,927.25x = 4,039.61 × 2,181.85
  4. Step 4: Simplify right side
    2,927.25x = 8,813,802.07
  5. Step 5: Solve for x
    x = 8,813,802.07/2,927.25
  6. Step 6: Final answer
    x = 3,010.95

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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.