Home / 2,368.68-3,268.80-1,374.12

Finding the Fourth Proportional to 2,368.68, 3,268.80 and 1,374.12

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Solution

The fourth proportional to 2,368.68, 3,268.80 and 1,374.12 is: 1,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.68 : 3,268.80 = 1,374.12 : x
  2. Step 2: Convert to fraction form
    2,368.68/3,268.80 = 1,374.12/x
  3. Step 3: Cross multiply
    2,368.68x = 3,268.80 × 1,374.12
  4. Step 4: Simplify right side
    2,368.68x = 4,491,723.46
  5. Step 5: Solve for x
    x = 4,491,723.46/2,368.68
  6. Step 6: Final answer
    x = 1,896.30

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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.