Home / 3,678.48-5,076.96-2,896.08

Finding the Fourth Proportional to 3,678.48, 5,076.96 and 2,896.08

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Solution

The fourth proportional to 3,678.48, 5,076.96 and 2,896.08 is: 3,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.48 : 5,076.96 = 2,896.08 : x
  2. Step 2: Convert to fraction form
    3,678.48/5,076.96 = 2,896.08/x
  3. Step 3: Cross multiply
    3,678.48x = 5,076.96 × 2,896.08
  4. Step 4: Simplify right side
    3,678.48x = 14,703,282.32
  5. Step 5: Solve for x
    x = 14,703,282.32/3,678.48
  6. Step 6: Final answer
    x = 3,997.11

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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.