Home / 1,850.42-2,775.61-1,235.32

Finding the Fourth Proportional to 1,850.42, 2,775.61 and 1,235.32

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Solution

The fourth proportional to 1,850.42, 2,775.61 and 1,235.32 is: 1,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.42 : 2,775.61 = 1,235.32 : x
  2. Step 2: Convert to fraction form
    1,850.42/2,775.61 = 1,235.32/x
  3. Step 3: Cross multiply
    1,850.42x = 2,775.61 × 1,235.32
  4. Step 4: Simplify right side
    1,850.42x = 3,428,766.55
  5. Step 5: Solve for x
    x = 3,428,766.55/1,850.42
  6. Step 6: Final answer
    x = 1,852.97

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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.