Home / 3,164.69-4,368.33-2,171.45

Finding the Fourth Proportional to 3,164.69, 4,368.33 and 2,171.45

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Solution

The fourth proportional to 3,164.69, 4,368.33 and 2,171.45 is: 2,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.69 : 4,368.33 = 2,171.45 : x
  2. Step 2: Convert to fraction form
    3,164.69/4,368.33 = 2,171.45/x
  3. Step 3: Cross multiply
    3,164.69x = 4,368.33 × 2,171.45
  4. Step 4: Simplify right side
    3,164.69x = 9,485,588.34
  5. Step 5: Solve for x
    x = 9,485,588.34/3,164.69
  6. Step 6: Final answer
    x = 2,997.32

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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.