Home / 2,783.51-4,184.58-1,967.66

Finding the Fourth Proportional to 2,783.51, 4,184.58 and 1,967.66

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Solution

The fourth proportional to 2,783.51, 4,184.58 and 1,967.66 is: 2,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.51 : 4,184.58 = 1,967.66 : x
  2. Step 2: Convert to fraction form
    2,783.51/4,184.58 = 1,967.66/x
  3. Step 3: Cross multiply
    2,783.51x = 4,184.58 × 1,967.66
  4. Step 4: Simplify right side
    2,783.51x = 8,233,830.68
  5. Step 5: Solve for x
    x = 8,233,830.68/2,783.51
  6. Step 6: Final answer
    x = 2,958.07

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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.