Home / 3,406.13-5,109.16-2,018.47

Finding the Fourth Proportional to 3,406.13, 5,109.16 and 2,018.47

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Solution

The fourth proportional to 3,406.13, 5,109.16 and 2,018.47 is: 3,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.13 : 5,109.16 = 2,018.47 : x
  2. Step 2: Convert to fraction form
    3,406.13/5,109.16 = 2,018.47/x
  3. Step 3: Cross multiply
    3,406.13x = 5,109.16 × 2,018.47
  4. Step 4: Simplify right side
    3,406.13x = 10,312,678.46
  5. Step 5: Solve for x
    x = 10,312,678.46/3,406.13
  6. Step 6: Final answer
    x = 3,027.68

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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.