Home / 3,451.62-5,177.52-1,260.36

Finding the Fourth Proportional to 3,451.62, 5,177.52 and 1,260.36

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Solution

The fourth proportional to 3,451.62, 5,177.52 and 1,260.36 is: 1,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.62 : 5,177.52 = 1,260.36 : x
  2. Step 2: Convert to fraction form
    3,451.62/5,177.52 = 1,260.36/x
  3. Step 3: Cross multiply
    3,451.62x = 5,177.52 × 1,260.36
  4. Step 4: Simplify right side
    3,451.62x = 6,525,539.11
  5. Step 5: Solve for x
    x = 6,525,539.11/3,451.62
  6. Step 6: Final answer
    x = 1,890.57

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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.