Home / 3,723.21-5,582.79-1,125.81

Finding the Fourth Proportional to 3,723.21, 5,582.79 and 1,125.81

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Solution

The fourth proportional to 3,723.21, 5,582.79 and 1,125.81 is: 1,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.21 : 5,582.79 = 1,125.81 : x
  2. Step 2: Convert to fraction form
    3,723.21/5,582.79 = 1,125.81/x
  3. Step 3: Cross multiply
    3,723.21x = 5,582.79 × 1,125.81
  4. Step 4: Simplify right side
    3,723.21x = 6,285,160.81
  5. Step 5: Solve for x
    x = 6,285,160.81/3,723.21
  6. Step 6: Final answer
    x = 1,688.10

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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.