Home / 1,263.96-1,899.36-1,192.68

Finding the Fourth Proportional to 1,263.96, 1,899.36 and 1,192.68

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Solution

The fourth proportional to 1,263.96, 1,899.36 and 1,192.68 is: 1,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.96 : 1,899.36 = 1,192.68 : x
  2. Step 2: Convert to fraction form
    1,263.96/1,899.36 = 1,192.68/x
  3. Step 3: Cross multiply
    1,263.96x = 1,899.36 × 1,192.68
  4. Step 4: Simplify right side
    1,263.96x = 2,265,328.68
  5. Step 5: Solve for x
    x = 2,265,328.68/1,263.96
  6. Step 6: Final answer
    x = 1,792.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.