Home / 2,451.90-3,675.08-1,218.06

Finding the Fourth Proportional to 2,451.90, 3,675.08 and 1,218.06

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Solution

The fourth proportional to 2,451.90, 3,675.08 and 1,218.06 is: 1,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.90 : 3,675.08 = 1,218.06 : x
  2. Step 2: Convert to fraction form
    2,451.90/3,675.08 = 1,218.06/x
  3. Step 3: Cross multiply
    2,451.90x = 3,675.08 × 1,218.06
  4. Step 4: Simplify right side
    2,451.90x = 4,476,467.94
  5. Step 5: Solve for x
    x = 4,476,467.94/2,451.90
  6. Step 6: Final answer
    x = 1,825.71

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1.5x scale

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.