Home / 2,830.12-4,240.64-1,902.26

Finding the Fourth Proportional to 2,830.12, 4,240.64 and 1,902.26

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Solution

The fourth proportional to 2,830.12, 4,240.64 and 1,902.26 is: 2,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.12 : 4,240.64 = 1,902.26 : x
  2. Step 2: Convert to fraction form
    2,830.12/4,240.64 = 1,902.26/x
  3. Step 3: Cross multiply
    2,830.12x = 4,240.64 × 1,902.26
  4. Step 4: Simplify right side
    2,830.12x = 8,066,799.85
  5. Step 5: Solve for x
    x = 8,066,799.85/2,830.12
  6. Step 6: Final answer
    x = 2,850.34

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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.