Home / 4,205.58-5,804.91-2,812.38

Finding the Fourth Proportional to 4,205.58, 5,804.91 and 2,812.38

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Solution

The fourth proportional to 4,205.58, 5,804.91 and 2,812.38 is: 3,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.58 : 5,804.91 = 2,812.38 : x
  2. Step 2: Convert to fraction form
    4,205.58/5,804.91 = 2,812.38/x
  3. Step 3: Cross multiply
    4,205.58x = 5,804.91 × 2,812.38
  4. Step 4: Simplify right side
    4,205.58x = 16,325,612.79
  5. Step 5: Solve for x
    x = 16,325,612.79/4,205.58
  6. Step 6: Final answer
    x = 3,881.89

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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.