Home / 3,404.10-4,697.37-1,911.90

Finding the Fourth Proportional to 3,404.10, 4,697.37 and 1,911.90

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Solution

The fourth proportional to 3,404.10, 4,697.37 and 1,911.90 is: 2,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.10 : 4,697.37 = 1,911.90 : x
  2. Step 2: Convert to fraction form
    3,404.10/4,697.37 = 1,911.90/x
  3. Step 3: Cross multiply
    3,404.10x = 4,697.37 × 1,911.90
  4. Step 4: Simplify right side
    3,404.10x = 8,980,901.70
  5. Step 5: Solve for x
    x = 8,980,901.70/3,404.10
  6. Step 6: Final answer
    x = 2,638.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.