Home / 1,361.36-2,028.18-1,314.96

Finding the Fourth Proportional to 1,361.36, 2,028.18 and 1,314.96

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Solution

The fourth proportional to 1,361.36, 2,028.18 and 1,314.96 is: 1,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.36 : 2,028.18 = 1,314.96 : x
  2. Step 2: Convert to fraction form
    1,361.36/2,028.18 = 1,314.96/x
  3. Step 3: Cross multiply
    1,361.36x = 2,028.18 × 1,314.96
  4. Step 4: Simplify right side
    1,361.36x = 2,666,975.57
  5. Step 5: Solve for x
    x = 2,666,975.57/1,361.36
  6. Step 6: Final answer
    x = 1,959.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.