Home / 3,974.40-5,484.69-2,206.06

Finding the Fourth Proportional to 3,974.40, 5,484.69 and 2,206.06

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Solution

The fourth proportional to 3,974.40, 5,484.69 and 2,206.06 is: 3,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.40 : 5,484.69 = 2,206.06 : x
  2. Step 2: Convert to fraction form
    3,974.40/5,484.69 = 2,206.06/x
  3. Step 3: Cross multiply
    3,974.40x = 5,484.69 × 2,206.06
  4. Step 4: Simplify right side
    3,974.40x = 12,099,541.51
  5. Step 5: Solve for x
    x = 12,099,541.51/3,974.40
  6. Step 6: Final answer
    x = 3,044.37

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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.