Home / 2,852.72-3,936.90-1,674.17

Finding the Fourth Proportional to 2,852.72, 3,936.90 and 1,674.17

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Solution

The fourth proportional to 2,852.72, 3,936.90 and 1,674.17 is: 2,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.72 : 3,936.90 = 1,674.17 : x
  2. Step 2: Convert to fraction form
    2,852.72/3,936.90 = 1,674.17/x
  3. Step 3: Cross multiply
    2,852.72x = 3,936.90 × 1,674.17
  4. Step 4: Simplify right side
    2,852.72x = 6,591,041.23
  5. Step 5: Solve for x
    x = 6,591,041.23/2,852.72
  6. Step 6: Final answer
    x = 2,310.44

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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.