Home / 3,645.21-5,466.00-1,422.71

Finding the Fourth Proportional to 3,645.21, 5,466.00 and 1,422.71

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Solution

The fourth proportional to 3,645.21, 5,466.00 and 1,422.71 is: 2,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.21 : 5,466.00 = 1,422.71 : x
  2. Step 2: Convert to fraction form
    3,645.21/5,466.00 = 1,422.71/x
  3. Step 3: Cross multiply
    3,645.21x = 5,466.00 × 1,422.71
  4. Step 4: Simplify right side
    3,645.21x = 7,776,541.19
  5. Step 5: Solve for x
    x = 7,776,541.19/3,645.21
  6. Step 6: Final answer
    x = 2,133.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.