Home / 3,894.48-5,373.41-2,215.35

Finding the Fourth Proportional to 3,894.48, 5,373.41 and 2,215.35

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Solution

The fourth proportional to 3,894.48, 5,373.41 and 2,215.35 is: 3,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.48 : 5,373.41 = 2,215.35 : x
  2. Step 2: Convert to fraction form
    3,894.48/5,373.41 = 2,215.35/x
  3. Step 3: Cross multiply
    3,894.48x = 5,373.41 × 2,215.35
  4. Step 4: Simplify right side
    3,894.48x = 11,903,972.77
  5. Step 5: Solve for x
    x = 11,903,972.77/3,894.48
  6. Step 6: Final answer
    x = 3,056.63

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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.