Home / 2,518.42-3,770.70-1,900.25

Finding the Fourth Proportional to 2,518.42, 3,770.70 and 1,900.25

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Solution

The fourth proportional to 2,518.42, 3,770.70 and 1,900.25 is: 2,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.42 : 3,770.70 = 1,900.25 : x
  2. Step 2: Convert to fraction form
    2,518.42/3,770.70 = 1,900.25/x
  3. Step 3: Cross multiply
    2,518.42x = 3,770.70 × 1,900.25
  4. Step 4: Simplify right side
    2,518.42x = 7,165,282.13
  5. Step 5: Solve for x
    x = 7,165,282.13/2,518.42
  6. Step 6: Final answer
    x = 2,845.15

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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.