Home / 3,108.48-4,662.32-1,160.40

Finding the Fourth Proportional to 3,108.48, 4,662.32 and 1,160.40

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Solution

The fourth proportional to 3,108.48, 4,662.32 and 1,160.40 is: 1,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.48 : 4,662.32 = 1,160.40 : x
  2. Step 2: Convert to fraction form
    3,108.48/4,662.32 = 1,160.40/x
  3. Step 3: Cross multiply
    3,108.48x = 4,662.32 × 1,160.40
  4. Step 4: Simplify right side
    3,108.48x = 5,410,156.13
  5. Step 5: Solve for x
    x = 5,410,156.13/3,108.48
  6. Step 6: Final answer
    x = 1,740.45

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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.