Home / 2,894.14-3,990.19-2,362.50

Finding the Fourth Proportional to 2,894.14, 3,990.19 and 2,362.50

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Solution

The fourth proportional to 2,894.14, 3,990.19 and 2,362.50 is: 3,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.14 : 3,990.19 = 2,362.50 : x
  2. Step 2: Convert to fraction form
    2,894.14/3,990.19 = 2,362.50/x
  3. Step 3: Cross multiply
    2,894.14x = 3,990.19 × 2,362.50
  4. Step 4: Simplify right side
    2,894.14x = 9,426,823.88
  5. Step 5: Solve for x
    x = 9,426,823.88/2,894.14
  6. Step 6: Final answer
    x = 3,257.21

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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.