Home / 2,368.38-3,268.23-1,320.39

Finding the Fourth Proportional to 2,368.38, 3,268.23 and 1,320.39

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Solution

The fourth proportional to 2,368.38, 3,268.23 and 1,320.39 is: 1,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.38 : 3,268.23 = 1,320.39 : x
  2. Step 2: Convert to fraction form
    2,368.38/3,268.23 = 1,320.39/x
  3. Step 3: Cross multiply
    2,368.38x = 3,268.23 × 1,320.39
  4. Step 4: Simplify right side
    2,368.38x = 4,315,338.21
  5. Step 5: Solve for x
    x = 4,315,338.21/2,368.38
  6. Step 6: Final answer
    x = 1,822.06

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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.