Home / 3,164.45-4,368.74-2,101.91

Finding the Fourth Proportional to 3,164.45, 4,368.74 and 2,101.91

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Solution

The fourth proportional to 3,164.45, 4,368.74 and 2,101.91 is: 2,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.45 : 4,368.74 = 2,101.91 : x
  2. Step 2: Convert to fraction form
    3,164.45/4,368.74 = 2,101.91/x
  3. Step 3: Cross multiply
    3,164.45x = 4,368.74 × 2,101.91
  4. Step 4: Simplify right side
    3,164.45x = 9,182,665.94
  5. Step 5: Solve for x
    x = 9,182,665.94/3,164.45
  6. Step 6: Final answer
    x = 2,901.83

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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.