Home / 3,020.04-4,530.12-1,857.51

Finding the Fourth Proportional to 3,020.04, 4,530.12 and 1,857.51

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Solution

The fourth proportional to 3,020.04, 4,530.12 and 1,857.51 is: 2,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.04 : 4,530.12 = 1,857.51 : x
  2. Step 2: Convert to fraction form
    3,020.04/4,530.12 = 1,857.51/x
  3. Step 3: Cross multiply
    3,020.04x = 4,530.12 × 1,857.51
  4. Step 4: Simplify right side
    3,020.04x = 8,414,743.20
  5. Step 5: Solve for x
    x = 8,414,743.20/3,020.04
  6. Step 6: Final answer
    x = 2,786.30

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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.