Home / 3,206.75-4,426.49-1,881.56

Finding the Fourth Proportional to 3,206.75, 4,426.49 and 1,881.56

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Solution

The fourth proportional to 3,206.75, 4,426.49 and 1,881.56 is: 2,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.75 : 4,426.49 = 1,881.56 : x
  2. Step 2: Convert to fraction form
    3,206.75/4,426.49 = 1,881.56/x
  3. Step 3: Cross multiply
    3,206.75x = 4,426.49 × 1,881.56
  4. Step 4: Simplify right side
    3,206.75x = 8,328,697.12
  5. Step 5: Solve for x
    x = 8,328,697.12/3,206.75
  6. Step 6: Final answer
    x = 2,597.24

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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.