Home / 3,865.48-5,334.41-2,097.12

Finding the Fourth Proportional to 3,865.48, 5,334.41 and 2,097.12

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Solution

The fourth proportional to 3,865.48, 5,334.41 and 2,097.12 is: 2,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.48 : 5,334.41 = 2,097.12 : x
  2. Step 2: Convert to fraction form
    3,865.48/5,334.41 = 2,097.12/x
  3. Step 3: Cross multiply
    3,865.48x = 5,334.41 × 2,097.12
  4. Step 4: Simplify right side
    3,865.48x = 11,186,911.35
  5. Step 5: Solve for x
    x = 11,186,911.35/3,865.48
  6. Step 6: Final answer
    x = 2,894.05

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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.