Home / 3,613.96-4,990.44-2,826.64

Finding the Fourth Proportional to 3,613.96, 4,990.44 and 2,826.64

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Solution

The fourth proportional to 3,613.96, 4,990.44 and 2,826.64 is: 3,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.96 : 4,990.44 = 2,826.64 : x
  2. Step 2: Convert to fraction form
    3,613.96/4,990.44 = 2,826.64/x
  3. Step 3: Cross multiply
    3,613.96x = 4,990.44 × 2,826.64
  4. Step 4: Simplify right side
    3,613.96x = 14,106,177.32
  5. Step 5: Solve for x
    x = 14,106,177.32/3,613.96
  6. Step 6: Final answer
    x = 3,903.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.