Home / 2,682.12-3,701.70-2,239.32

Finding the Fourth Proportional to 2,682.12, 3,701.70 and 2,239.32

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Solution

The fourth proportional to 2,682.12, 3,701.70 and 2,239.32 is: 3,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.12 : 3,701.70 = 2,239.32 : x
  2. Step 2: Convert to fraction form
    2,682.12/3,701.70 = 2,239.32/x
  3. Step 3: Cross multiply
    2,682.12x = 3,701.70 × 2,239.32
  4. Step 4: Simplify right side
    2,682.12x = 8,289,290.84
  5. Step 5: Solve for x
    x = 8,289,290.84/2,682.12
  6. Step 6: Final answer
    x = 3,090.57

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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.