Home / 3,133.10-4,704.60-2,905.70

Finding the Fourth Proportional to 3,133.10, 4,704.60 and 2,905.70

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Solution

The fourth proportional to 3,133.10, 4,704.60 and 2,905.70 is: 4,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.10 : 4,704.60 = 2,905.70 : x
  2. Step 2: Convert to fraction form
    3,133.10/4,704.60 = 2,905.70/x
  3. Step 3: Cross multiply
    3,133.10x = 4,704.60 × 2,905.70
  4. Step 4: Simplify right side
    3,133.10x = 13,670,156.22
  5. Step 5: Solve for x
    x = 13,670,156.22/3,133.10
  6. Step 6: Final answer
    x = 4,363.14

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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.