Home / 3,347.67-4,620.32-2,021.57

Finding the Fourth Proportional to 3,347.67, 4,620.32 and 2,021.57

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Solution

The fourth proportional to 3,347.67, 4,620.32 and 2,021.57 is: 2,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.67 : 4,620.32 = 2,021.57 : x
  2. Step 2: Convert to fraction form
    3,347.67/4,620.32 = 2,021.57/x
  3. Step 3: Cross multiply
    3,347.67x = 4,620.32 × 2,021.57
  4. Step 4: Simplify right side
    3,347.67x = 9,340,300.30
  5. Step 5: Solve for x
    x = 9,340,300.30/3,347.67
  6. Step 6: Final answer
    x = 2,790.09

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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.