Home / 3,212.71-4,433.49-1,796.32

Finding the Fourth Proportional to 3,212.71, 4,433.49 and 1,796.32

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Solution

The fourth proportional to 3,212.71, 4,433.49 and 1,796.32 is: 2,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.71 : 4,433.49 = 1,796.32 : x
  2. Step 2: Convert to fraction form
    3,212.71/4,433.49 = 1,796.32/x
  3. Step 3: Cross multiply
    3,212.71x = 4,433.49 × 1,796.32
  4. Step 4: Simplify right side
    3,212.71x = 7,963,966.76
  5. Step 5: Solve for x
    x = 7,963,966.76/3,212.71
  6. Step 6: Final answer
    x = 2,478.89

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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.