Home / 4,205.50-6,310.68-1,897

Finding the Fourth Proportional to 4,205.50, 6,310.68 and 1,897

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Solution

The fourth proportional to 4,205.50, 6,310.68 and 1,897 is: 2,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.50 : 6,310.68 = 1,897 : x
  2. Step 2: Convert to fraction form
    4,205.50/6,310.68 = 1,897/x
  3. Step 3: Cross multiply
    4,205.50x = 6,310.68 × 1,897
  4. Step 4: Simplify right side
    4,205.50x = 11,971,359.96
  5. Step 5: Solve for x
    x = 11,971,359.96/4,205.50
  6. Step 6: Final answer
    x = 2,846.60

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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.