Home / 1,284.42-1,922.96-1,182.36

Finding the Fourth Proportional to 1,284.42, 1,922.96 and 1,182.36

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Solution

The fourth proportional to 1,284.42, 1,922.96 and 1,182.36 is: 1,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.42 : 1,922.96 = 1,182.36 : x
  2. Step 2: Convert to fraction form
    1,284.42/1,922.96 = 1,182.36/x
  3. Step 3: Cross multiply
    1,284.42x = 1,922.96 × 1,182.36
  4. Step 4: Simplify right side
    1,284.42x = 2,273,630.99
  5. Step 5: Solve for x
    x = 2,273,630.99/1,284.42
  6. Step 6: Final answer
    x = 1,770.16

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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.