Home / 2,419.18-3,625.53-1,379.50

Finding the Fourth Proportional to 2,419.18, 3,625.53 and 1,379.50

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Solution

The fourth proportional to 2,419.18, 3,625.53 and 1,379.50 is: 2,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.18 : 3,625.53 = 1,379.50 : x
  2. Step 2: Convert to fraction form
    2,419.18/3,625.53 = 1,379.50/x
  3. Step 3: Cross multiply
    2,419.18x = 3,625.53 × 1,379.50
  4. Step 4: Simplify right side
    2,419.18x = 5,001,418.64
  5. Step 5: Solve for x
    x = 5,001,418.64/2,419.18
  6. Step 6: Final answer
    x = 2,067.40

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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.