Home / 3,784.48-5,221.10-2,792.14

Finding the Fourth Proportional to 3,784.48, 5,221.10 and 2,792.14

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Solution

The fourth proportional to 3,784.48, 5,221.10 and 2,792.14 is: 3,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.48 : 5,221.10 = 2,792.14 : x
  2. Step 2: Convert to fraction form
    3,784.48/5,221.10 = 2,792.14/x
  3. Step 3: Cross multiply
    3,784.48x = 5,221.10 × 2,792.14
  4. Step 4: Simplify right side
    3,784.48x = 14,578,042.15
  5. Step 5: Solve for x
    x = 14,578,042.15/3,784.48
  6. Step 6: Final answer
    x = 3,852.06

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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.