Home / 4,170.10-5,755.44-2,678.36

Finding the Fourth Proportional to 4,170.10, 5,755.44 and 2,678.36

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Solution

The fourth proportional to 4,170.10, 5,755.44 and 2,678.36 is: 3,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.10 : 5,755.44 = 2,678.36 : x
  2. Step 2: Convert to fraction form
    4,170.10/5,755.44 = 2,678.36/x
  3. Step 3: Cross multiply
    4,170.10x = 5,755.44 × 2,678.36
  4. Step 4: Simplify right side
    4,170.10x = 15,415,140.28
  5. Step 5: Solve for x
    x = 15,415,140.28/4,170.10
  6. Step 6: Final answer
    x = 3,696.59

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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.