Home / 3,636.90-5,456.07-1,297.62

Finding the Fourth Proportional to 3,636.90, 5,456.07 and 1,297.62

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Solution

The fourth proportional to 3,636.90, 5,456.07 and 1,297.62 is: 1,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.90 : 5,456.07 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    3,636.90/5,456.07 = 1,297.62/x
  3. Step 3: Cross multiply
    3,636.90x = 5,456.07 × 1,297.62
  4. Step 4: Simplify right side
    3,636.90x = 7,079,905.55
  5. Step 5: Solve for x
    x = 7,079,905.55/3,636.90
  6. Step 6: Final answer
    x = 1,946.69

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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.