Home / 1,405.36-2,096.60-1,175.68

Finding the Fourth Proportional to 1,405.36, 2,096.60 and 1,175.68

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Solution

The fourth proportional to 1,405.36, 2,096.60 and 1,175.68 is: 1,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.36 : 2,096.60 = 1,175.68 : x
  2. Step 2: Convert to fraction form
    1,405.36/2,096.60 = 1,175.68/x
  3. Step 3: Cross multiply
    1,405.36x = 2,096.60 × 1,175.68
  4. Step 4: Simplify right side
    1,405.36x = 2,464,930.69
  5. Step 5: Solve for x
    x = 2,464,930.69/1,405.36
  6. Step 6: Final answer
    x = 1,753.95

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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.