Home / 3,784.59-5,222.58-2,106.07

Finding the Fourth Proportional to 3,784.59, 5,222.58 and 2,106.07

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Solution

The fourth proportional to 3,784.59, 5,222.58 and 2,106.07 is: 2,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.59 : 5,222.58 = 2,106.07 : x
  2. Step 2: Convert to fraction form
    3,784.59/5,222.58 = 2,106.07/x
  3. Step 3: Cross multiply
    3,784.59x = 5,222.58 × 2,106.07
  4. Step 4: Simplify right side
    3,784.59x = 10,999,098.11
  5. Step 5: Solve for x
    x = 10,999,098.11/3,784.59
  6. Step 6: Final answer
    x = 2,906.29

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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.