Home / 1,166.00-1,739.32-1,131.77

Finding the Fourth Proportional to 1,166.00, 1,739.32 and 1,131.77

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Solution

The fourth proportional to 1,166.00, 1,739.32 and 1,131.77 is: 1,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.00 : 1,739.32 = 1,131.77 : x
  2. Step 2: Convert to fraction form
    1,166.00/1,739.32 = 1,131.77/x
  3. Step 3: Cross multiply
    1,166.00x = 1,739.32 × 1,131.77
  4. Step 4: Simplify right side
    1,166.00x = 1,968,518.08
  5. Step 5: Solve for x
    x = 1,968,518.08/1,166.00
  6. Step 6: Final answer
    x = 1,688.27

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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.