Home / 3,450.67-5,177.52-1,808.39

Finding the Fourth Proportional to 3,450.67, 5,177.52 and 1,808.39

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Solution

The fourth proportional to 3,450.67, 5,177.52 and 1,808.39 is: 2,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.67 : 5,177.52 = 1,808.39 : x
  2. Step 2: Convert to fraction form
    3,450.67/5,177.52 = 1,808.39/x
  3. Step 3: Cross multiply
    3,450.67x = 5,177.52 × 1,808.39
  4. Step 4: Simplify right side
    3,450.67x = 9,362,988.34
  5. Step 5: Solve for x
    x = 9,362,988.34/3,450.67
  6. Step 6: Final answer
    x = 2,713.38

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1.5x scale

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.