Home / 2,368.80-3,268.92-1,320.96

Finding the Fourth Proportional to 2,368.80, 3,268.92 and 1,320.96

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Solution

The fourth proportional to 2,368.80, 3,268.92 and 1,320.96 is: 1,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.80 : 3,268.92 = 1,320.96 : x
  2. Step 2: Convert to fraction form
    2,368.80/3,268.92 = 1,320.96/x
  3. Step 3: Cross multiply
    2,368.80x = 3,268.92 × 1,320.96
  4. Step 4: Simplify right side
    2,368.80x = 4,318,112.56
  5. Step 5: Solve for x
    x = 4,318,112.56/2,368.80
  6. Step 6: Final answer
    x = 1,822.91

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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.