Home / 2,284.80-3,426.38-823.56

Finding the Fourth Proportional to 2,284.80, 3,426.38 and 823.56

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Solution

The fourth proportional to 2,284.80, 3,426.38 and 823.56 is: 1,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.80 : 3,426.38 = 823.56 : x
  2. Step 2: Convert to fraction form
    2,284.80/3,426.38 = 823.56/x
  3. Step 3: Cross multiply
    2,284.80x = 3,426.38 × 823.56
  4. Step 4: Simplify right side
    2,284.80x = 2,821,829.51
  5. Step 5: Solve for x
    x = 2,821,829.51/2,284.80
  6. Step 6: Final answer
    x = 1,235.04

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1.5x scale

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.