Home / 3,372.63-5,055.90-1,811.35

Finding the Fourth Proportional to 3,372.63, 5,055.90 and 1,811.35

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Solution

The fourth proportional to 3,372.63, 5,055.90 and 1,811.35 is: 2,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.63 : 5,055.90 = 1,811.35 : x
  2. Step 2: Convert to fraction form
    3,372.63/5,055.90 = 1,811.35/x
  3. Step 3: Cross multiply
    3,372.63x = 5,055.90 × 1,811.35
  4. Step 4: Simplify right side
    3,372.63x = 9,158,004.47
  5. Step 5: Solve for x
    x = 9,158,004.47/3,372.63
  6. Step 6: Final answer
    x = 2,715.39

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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.