Home / 2,368.80-3,268.88-1,374.06

Finding the Fourth Proportional to 2,368.80, 3,268.88 and 1,374.06

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Solution

The fourth proportional to 2,368.80, 3,268.88 and 1,374.06 is: 1,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.80 : 3,268.88 = 1,374.06 : x
  2. Step 2: Convert to fraction form
    2,368.80/3,268.88 = 1,374.06/x
  3. Step 3: Cross multiply
    2,368.80x = 3,268.88 × 1,374.06
  4. Step 4: Simplify right side
    2,368.80x = 4,491,637.25
  5. Step 5: Solve for x
    x = 4,491,637.25/2,368.80
  6. Step 6: Final answer
    x = 1,896.17

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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.