Home / 1,823.21-2,516.25-1,403.22

Finding the Fourth Proportional to 1,823.21, 2,516.25 and 1,403.22

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Solution

The fourth proportional to 1,823.21, 2,516.25 and 1,403.22 is: 1,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.21 : 2,516.25 = 1,403.22 : x
  2. Step 2: Convert to fraction form
    1,823.21/2,516.25 = 1,403.22/x
  3. Step 3: Cross multiply
    1,823.21x = 2,516.25 × 1,403.22
  4. Step 4: Simplify right side
    1,823.21x = 3,530,845.31
  5. Step 5: Solve for x
    x = 3,530,845.31/1,823.21
  6. Step 6: Final answer
    x = 1,936.61

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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.