Home / 3,211.34-4,808.93-2,037.78

Finding the Fourth Proportional to 3,211.34, 4,808.93 and 2,037.78

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Solution

The fourth proportional to 3,211.34, 4,808.93 and 2,037.78 is: 3,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.34 : 4,808.93 = 2,037.78 : x
  2. Step 2: Convert to fraction form
    3,211.34/4,808.93 = 2,037.78/x
  3. Step 3: Cross multiply
    3,211.34x = 4,808.93 × 2,037.78
  4. Step 4: Simplify right side
    3,211.34x = 9,799,531.19
  5. Step 5: Solve for x
    x = 9,799,531.19/3,211.34
  6. Step 6: Final answer
    x = 3,051.54

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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.