Home / 3,108.08-4,658.64-1,354.54

Finding the Fourth Proportional to 3,108.08, 4,658.64 and 1,354.54

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Solution

The fourth proportional to 3,108.08, 4,658.64 and 1,354.54 is: 2,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.08 : 4,658.64 = 1,354.54 : x
  2. Step 2: Convert to fraction form
    3,108.08/4,658.64 = 1,354.54/x
  3. Step 3: Cross multiply
    3,108.08x = 4,658.64 × 1,354.54
  4. Step 4: Simplify right side
    3,108.08x = 6,310,314.23
  5. Step 5: Solve for x
    x = 6,310,314.23/3,108.08
  6. Step 6: Final answer
    x = 2,030.29

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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.