Home / 3,687.77-5,529.52-1,221.93

Finding the Fourth Proportional to 3,687.77, 5,529.52 and 1,221.93

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Solution

The fourth proportional to 3,687.77, 5,529.52 and 1,221.93 is: 1,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.77 : 5,529.52 = 1,221.93 : x
  2. Step 2: Convert to fraction form
    3,687.77/5,529.52 = 1,221.93/x
  3. Step 3: Cross multiply
    3,687.77x = 5,529.52 × 1,221.93
  4. Step 4: Simplify right side
    3,687.77x = 6,756,686.37
  5. Step 5: Solve for x
    x = 6,756,686.37/3,687.77
  6. Step 6: Final answer
    x = 1,832.19

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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.