Home / 2,290.16-3,435.40-2,018.16

Finding the Fourth Proportional to 2,290.16, 3,435.40 and 2,018.16

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Solution

The fourth proportional to 2,290.16, 3,435.40 and 2,018.16 is: 3,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.16 : 3,435.40 = 2,018.16 : x
  2. Step 2: Convert to fraction form
    2,290.16/3,435.40 = 2,018.16/x
  3. Step 3: Cross multiply
    2,290.16x = 3,435.40 × 2,018.16
  4. Step 4: Simplify right side
    2,290.16x = 6,933,186.86
  5. Step 5: Solve for x
    x = 6,933,186.86/2,290.16
  6. Step 6: Final answer
    x = 3,027.38

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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.