Home / 2,013.04-3,018.81-696.45

Finding the Fourth Proportional to 2,013.04, 3,018.81 and 696.45

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Solution

The fourth proportional to 2,013.04, 3,018.81 and 696.45 is: 1,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.04 : 3,018.81 = 696.45 : x
  2. Step 2: Convert to fraction form
    2,013.04/3,018.81 = 696.45/x
  3. Step 3: Cross multiply
    2,013.04x = 3,018.81 × 696.45
  4. Step 4: Simplify right side
    2,013.04x = 2,102,464.16
  5. Step 5: Solve for x
    x = 2,102,464.16/2,013.04
  6. Step 6: Final answer
    x = 1,044.42

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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.