Home / 3,450.47-5,177.82-1,370.11

Finding the Fourth Proportional to 3,450.47, 5,177.82 and 1,370.11

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Solution

The fourth proportional to 3,450.47, 5,177.82 and 1,370.11 is: 2,056.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.47 : 5,177.82 = 1,370.11 : x
  2. Step 2: Convert to fraction form
    3,450.47/5,177.82 = 1,370.11/x
  3. Step 3: Cross multiply
    3,450.47x = 5,177.82 × 1,370.11
  4. Step 4: Simplify right side
    3,450.47x = 7,094,153.65
  5. Step 5: Solve for x
    x = 7,094,153.65/3,450.47
  6. Step 6: Final answer
    x = 2,056.00

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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.