Home / 2,634.55-3,637.38-1,690.75

Finding the Fourth Proportional to 2,634.55, 3,637.38 and 1,690.75

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Solution

The fourth proportional to 2,634.55, 3,637.38 and 1,690.75 is: 2,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.55 : 3,637.38 = 1,690.75 : x
  2. Step 2: Convert to fraction form
    2,634.55/3,637.38 = 1,690.75/x
  3. Step 3: Cross multiply
    2,634.55x = 3,637.38 × 1,690.75
  4. Step 4: Simplify right side
    2,634.55x = 6,149,907.40
  5. Step 5: Solve for x
    x = 6,149,907.40/2,634.55
  6. Step 6: Final answer
    x = 2,334.33

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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.