Home / 3,328.96-4,992.16-1,137.28

Finding the Fourth Proportional to 3,328.96, 4,992.16 and 1,137.28

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Solution

The fourth proportional to 3,328.96, 4,992.16 and 1,137.28 is: 1,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.96 : 4,992.16 = 1,137.28 : x
  2. Step 2: Convert to fraction form
    3,328.96/4,992.16 = 1,137.28/x
  3. Step 3: Cross multiply
    3,328.96x = 4,992.16 × 1,137.28
  4. Step 4: Simplify right side
    3,328.96x = 5,677,483.72
  5. Step 5: Solve for x
    x = 5,677,483.72/3,328.96
  6. Step 6: Final answer
    x = 1,705.48

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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.