Home / 3,175.18-4,762.96-1,324.94

Finding the Fourth Proportional to 3,175.18, 4,762.96 and 1,324.94

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Solution

The fourth proportional to 3,175.18, 4,762.96 and 1,324.94 is: 1,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.18 : 4,762.96 = 1,324.94 : x
  2. Step 2: Convert to fraction form
    3,175.18/4,762.96 = 1,324.94/x
  3. Step 3: Cross multiply
    3,175.18x = 4,762.96 × 1,324.94
  4. Step 4: Simplify right side
    3,175.18x = 6,310,636.22
  5. Step 5: Solve for x
    x = 6,310,636.22/3,175.18
  6. Step 6: Final answer
    x = 1,987.49

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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.