Home / 3,218.23-4,827.46-1,109.84

Finding the Fourth Proportional to 3,218.23, 4,827.46 and 1,109.84

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Solution

The fourth proportional to 3,218.23, 4,827.46 and 1,109.84 is: 1,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.23 : 4,827.46 = 1,109.84 : x
  2. Step 2: Convert to fraction form
    3,218.23/4,827.46 = 1,109.84/x
  3. Step 3: Cross multiply
    3,218.23x = 4,827.46 × 1,109.84
  4. Step 4: Simplify right side
    3,218.23x = 5,357,708.21
  5. Step 5: Solve for x
    x = 5,357,708.21/3,218.23
  6. Step 6: Final answer
    x = 1,664.80

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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.