Home / 3,020.01-4,529.65-828.91

Finding the Fourth Proportional to 3,020.01, 4,529.65 and 828.91

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Solution

The fourth proportional to 3,020.01, 4,529.65 and 828.91 is: 1,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.01 : 4,529.65 = 828.91 : x
  2. Step 2: Convert to fraction form
    3,020.01/4,529.65 = 828.91/x
  3. Step 3: Cross multiply
    3,020.01x = 4,529.65 × 828.91
  4. Step 4: Simplify right side
    3,020.01x = 3,754,662.25
  5. Step 5: Solve for x
    x = 3,754,662.25/3,020.01
  6. Step 6: Final answer
    x = 1,243.26

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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.