Home / 1,519.46-2,097.77-1,361.81

Finding the Fourth Proportional to 1,519.46, 2,097.77 and 1,361.81

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Solution

The fourth proportional to 1,519.46, 2,097.77 and 1,361.81 is: 1,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.46 : 2,097.77 = 1,361.81 : x
  2. Step 2: Convert to fraction form
    1,519.46/2,097.77 = 1,361.81/x
  3. Step 3: Cross multiply
    1,519.46x = 2,097.77 × 1,361.81
  4. Step 4: Simplify right side
    1,519.46x = 2,856,762.60
  5. Step 5: Solve for x
    x = 2,856,762.60/1,519.46
  6. Step 6: Final answer
    x = 1,880.12

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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.