Home / 3,845.81-5,307.03-2,356.22

Finding the Fourth Proportional to 3,845.81, 5,307.03 and 2,356.22

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Solution

The fourth proportional to 3,845.81, 5,307.03 and 2,356.22 is: 3,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.81 : 5,307.03 = 2,356.22 : x
  2. Step 2: Convert to fraction form
    3,845.81/5,307.03 = 2,356.22/x
  3. Step 3: Cross multiply
    3,845.81x = 5,307.03 × 2,356.22
  4. Step 4: Simplify right side
    3,845.81x = 12,504,503.69
  5. Step 5: Solve for x
    x = 12,504,503.69/3,845.81
  6. Step 6: Final answer
    x = 3,251.47

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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.