Home / 1,322.43-1,966.34-1,267.07

Finding the Fourth Proportional to 1,322.43, 1,966.34 and 1,267.07

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Solution

The fourth proportional to 1,322.43, 1,966.34 and 1,267.07 is: 1,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.43 : 1,966.34 = 1,267.07 : x
  2. Step 2: Convert to fraction form
    1,322.43/1,966.34 = 1,267.07/x
  3. Step 3: Cross multiply
    1,322.43x = 1,966.34 × 1,267.07
  4. Step 4: Simplify right side
    1,322.43x = 2,491,498.51
  5. Step 5: Solve for x
    x = 2,491,498.51/1,322.43
  6. Step 6: Final answer
    x = 1,884.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.