Home / 2,881.07-4,322.26-1,322.15

Finding the Fourth Proportional to 2,881.07, 4,322.26 and 1,322.15

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Solution

The fourth proportional to 2,881.07, 4,322.26 and 1,322.15 is: 1,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.07 : 4,322.26 = 1,322.15 : x
  2. Step 2: Convert to fraction form
    2,881.07/4,322.26 = 1,322.15/x
  3. Step 3: Cross multiply
    2,881.07x = 4,322.26 × 1,322.15
  4. Step 4: Simplify right side
    2,881.07x = 5,714,668.26
  5. Step 5: Solve for x
    x = 5,714,668.26/2,881.07
  6. Step 6: Final answer
    x = 1,983.52

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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.