Home / 2,361.36-3,258.87-1,366.65

Finding the Fourth Proportional to 2,361.36, 3,258.87 and 1,366.65

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Solution

The fourth proportional to 2,361.36, 3,258.87 and 1,366.65 is: 1,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.36 : 3,258.87 = 1,366.65 : x
  2. Step 2: Convert to fraction form
    2,361.36/3,258.87 = 1,366.65/x
  3. Step 3: Cross multiply
    2,361.36x = 3,258.87 × 1,366.65
  4. Step 4: Simplify right side
    2,361.36x = 4,453,734.69
  5. Step 5: Solve for x
    x = 4,453,734.69/2,361.36
  6. Step 6: Final answer
    x = 1,886.09

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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.