Home / 2,518.74-3,771.18-1,900.56

Finding the Fourth Proportional to 2,518.74, 3,771.18 and 1,900.56

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Solution

The fourth proportional to 2,518.74, 3,771.18 and 1,900.56 is: 2,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.74 : 3,771.18 = 1,900.56 : x
  2. Step 2: Convert to fraction form
    2,518.74/3,771.18 = 1,900.56/x
  3. Step 3: Cross multiply
    2,518.74x = 3,771.18 × 1,900.56
  4. Step 4: Simplify right side
    2,518.74x = 7,167,344.36
  5. Step 5: Solve for x
    x = 7,167,344.36/2,518.74
  6. Step 6: Final answer
    x = 2,845.61

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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.