Home / 3,208.49-4,426.48-1,881.71

Finding the Fourth Proportional to 3,208.49, 4,426.48 and 1,881.71

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Solution

The fourth proportional to 3,208.49, 4,426.48 and 1,881.71 is: 2,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.49 : 4,426.48 = 1,881.71 : x
  2. Step 2: Convert to fraction form
    3,208.49/4,426.48 = 1,881.71/x
  3. Step 3: Cross multiply
    3,208.49x = 4,426.48 × 1,881.71
  4. Step 4: Simplify right side
    3,208.49x = 8,329,342.27
  5. Step 5: Solve for x
    x = 8,329,342.27/3,208.49
  6. Step 6: Final answer
    x = 2,596.03

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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.