Home / 3,869.10-5,803.37-1,403.46

Finding the Fourth Proportional to 3,869.10, 5,803.37 and 1,403.46

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Solution

The fourth proportional to 3,869.10, 5,803.37 and 1,403.46 is: 2,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.10 : 5,803.37 = 1,403.46 : x
  2. Step 2: Convert to fraction form
    3,869.10/5,803.37 = 1,403.46/x
  3. Step 3: Cross multiply
    3,869.10x = 5,803.37 × 1,403.46
  4. Step 4: Simplify right side
    3,869.10x = 8,144,790.64
  5. Step 5: Solve for x
    x = 8,144,790.64/3,869.10
  6. Step 6: Final answer
    x = 2,105.09

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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.