Home / 3,220.75-4,444.64-1,823.77

Finding the Fourth Proportional to 3,220.75, 4,444.64 and 1,823.77

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Solution

The fourth proportional to 3,220.75, 4,444.64 and 1,823.77 is: 2,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.75 : 4,444.64 = 1,823.77 : x
  2. Step 2: Convert to fraction form
    3,220.75/4,444.64 = 1,823.77/x
  3. Step 3: Cross multiply
    3,220.75x = 4,444.64 × 1,823.77
  4. Step 4: Simplify right side
    3,220.75x = 8,106,001.09
  5. Step 5: Solve for x
    x = 8,106,001.09/3,220.75
  6. Step 6: Final answer
    x = 2,516.81

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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.