Home / 1,262.16-1,883.34-1,116.36

Finding the Fourth Proportional to 1,262.16, 1,883.34 and 1,116.36

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Solution

The fourth proportional to 1,262.16, 1,883.34 and 1,116.36 is: 1,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.16 : 1,883.34 = 1,116.36 : x
  2. Step 2: Convert to fraction form
    1,262.16/1,883.34 = 1,116.36/x
  3. Step 3: Cross multiply
    1,262.16x = 1,883.34 × 1,116.36
  4. Step 4: Simplify right side
    1,262.16x = 2,102,485.44
  5. Step 5: Solve for x
    x = 2,102,485.44/1,262.16
  6. Step 6: Final answer
    x = 1,665.78

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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.