Home / 2,368.78-3,268.91-1,374.64

Finding the Fourth Proportional to 2,368.78, 3,268.91 and 1,374.64

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Solution

The fourth proportional to 2,368.78, 3,268.91 and 1,374.64 is: 1,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.78 : 3,268.91 = 1,374.64 : x
  2. Step 2: Convert to fraction form
    2,368.78/3,268.91 = 1,374.64/x
  3. Step 3: Cross multiply
    2,368.78x = 3,268.91 × 1,374.64
  4. Step 4: Simplify right side
    2,368.78x = 4,493,574.44
  5. Step 5: Solve for x
    x = 4,493,574.44/2,368.78
  6. Step 6: Final answer
    x = 1,897.00

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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.