Home / 2,263.33-3,123.73-1,268.85

Finding the Fourth Proportional to 2,263.33, 3,123.73 and 1,268.85

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Solution

The fourth proportional to 2,263.33, 3,123.73 and 1,268.85 is: 1,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.33 : 3,123.73 = 1,268.85 : x
  2. Step 2: Convert to fraction form
    2,263.33/3,123.73 = 1,268.85/x
  3. Step 3: Cross multiply
    2,263.33x = 3,123.73 × 1,268.85
  4. Step 4: Simplify right side
    2,263.33x = 3,963,544.81
  5. Step 5: Solve for x
    x = 3,963,544.81/2,263.33
  6. Step 6: Final answer
    x = 1,751.20

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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.