Home / 3,865.98-5,335.14-2,097.62

Finding the Fourth Proportional to 3,865.98, 5,335.14 and 2,097.62

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Solution

The fourth proportional to 3,865.98, 5,335.14 and 2,097.62 is: 2,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.98 : 5,335.14 = 2,097.62 : x
  2. Step 2: Convert to fraction form
    3,865.98/5,335.14 = 2,097.62/x
  3. Step 3: Cross multiply
    3,865.98x = 5,335.14 × 2,097.62
  4. Step 4: Simplify right side
    3,865.98x = 11,191,106.67
  5. Step 5: Solve for x
    x = 11,191,106.67/3,865.98
  6. Step 6: Final answer
    x = 2,894.77

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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.