Home / 2,368.71-3,268.94-1,320.75

Finding the Fourth Proportional to 2,368.71, 3,268.94 and 1,320.75

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Solution

The fourth proportional to 2,368.71, 3,268.94 and 1,320.75 is: 1,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.71 : 3,268.94 = 1,320.75 : x
  2. Step 2: Convert to fraction form
    2,368.71/3,268.94 = 1,320.75/x
  3. Step 3: Cross multiply
    2,368.71x = 3,268.94 × 1,320.75
  4. Step 4: Simplify right side
    2,368.71x = 4,317,445.90
  5. Step 5: Solve for x
    x = 4,317,445.90/2,368.71
  6. Step 6: Final answer
    x = 1,822.70

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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.