Home / 2,914.80-4,023.72-1,736.28

Finding the Fourth Proportional to 2,914.80, 4,023.72 and 1,736.28

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Solution

The fourth proportional to 2,914.80, 4,023.72 and 1,736.28 is: 2,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.80 : 4,023.72 = 1,736.28 : x
  2. Step 2: Convert to fraction form
    2,914.80/4,023.72 = 1,736.28/x
  3. Step 3: Cross multiply
    2,914.80x = 4,023.72 × 1,736.28
  4. Step 4: Simplify right side
    2,914.80x = 6,986,304.56
  5. Step 5: Solve for x
    x = 6,986,304.56/2,914.80
  6. Step 6: Final answer
    x = 2,396.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.