Home / 2,967.77-4,451.66-1,213.61

Finding the Fourth Proportional to 2,967.77, 4,451.66 and 1,213.61

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Solution

The fourth proportional to 2,967.77, 4,451.66 and 1,213.61 is: 1,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.77 : 4,451.66 = 1,213.61 : x
  2. Step 2: Convert to fraction form
    2,967.77/4,451.66 = 1,213.61/x
  3. Step 3: Cross multiply
    2,967.77x = 4,451.66 × 1,213.61
  4. Step 4: Simplify right side
    2,967.77x = 5,402,579.09
  5. Step 5: Solve for x
    x = 5,402,579.09/2,967.77
  6. Step 6: Final answer
    x = 1,820.42

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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.