Home / 2,499.85-3,755.93-1,881.68

Finding the Fourth Proportional to 2,499.85, 3,755.93 and 1,881.68

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Solution

The fourth proportional to 2,499.85, 3,755.93 and 1,881.68 is: 2,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.85 : 3,755.93 = 1,881.68 : x
  2. Step 2: Convert to fraction form
    2,499.85/3,755.93 = 1,881.68/x
  3. Step 3: Cross multiply
    2,499.85x = 3,755.93 × 1,881.68
  4. Step 4: Simplify right side
    2,499.85x = 7,067,452.62
  5. Step 5: Solve for x
    x = 7,067,452.62/2,499.85
  6. Step 6: Final answer
    x = 2,827.15

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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.