Home / 3,674.19-5,070.69-2,102.25

Finding the Fourth Proportional to 3,674.19, 5,070.69 and 2,102.25

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Solution

The fourth proportional to 3,674.19, 5,070.69 and 2,102.25 is: 2,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.19 : 5,070.69 = 2,102.25 : x
  2. Step 2: Convert to fraction form
    3,674.19/5,070.69 = 2,102.25/x
  3. Step 3: Cross multiply
    3,674.19x = 5,070.69 × 2,102.25
  4. Step 4: Simplify right side
    3,674.19x = 10,659,858.05
  5. Step 5: Solve for x
    x = 10,659,858.05/3,674.19
  6. Step 6: Final answer
    x = 2,901.28

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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.