Home / 2,684.39-4,021.10-2,407.82

Finding the Fourth Proportional to 2,684.39, 4,021.10 and 2,407.82

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Solution

The fourth proportional to 2,684.39, 4,021.10 and 2,407.82 is: 3,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.39 : 4,021.10 = 2,407.82 : x
  2. Step 2: Convert to fraction form
    2,684.39/4,021.10 = 2,407.82/x
  3. Step 3: Cross multiply
    2,684.39x = 4,021.10 × 2,407.82
  4. Step 4: Simplify right side
    2,684.39x = 9,682,070.92
  5. Step 5: Solve for x
    x = 9,682,070.92/2,684.39
  6. Step 6: Final answer
    x = 3,606.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.