Home / 3,020-4,531.72-1,633.30

Finding the Fourth Proportional to 3,020, 4,531.72 and 1,633.30

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Solution

The fourth proportional to 3,020, 4,531.72 and 1,633.30 is: 2,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020 : 4,531.72 = 1,633.30 : x
  2. Step 2: Convert to fraction form
    3,020/4,531.72 = 1,633.30/x
  3. Step 3: Cross multiply
    3,020x = 4,531.72 × 1,633.30
  4. Step 4: Simplify right side
    3,020x = 7,401,658.28
  5. Step 5: Solve for x
    x = 7,401,658.28/3,020
  6. Step 6: Final answer
    x = 2,450.88

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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.