Home / 2,817.60-4,234.80-2,333.76

Finding the Fourth Proportional to 2,817.60, 4,234.80 and 2,333.76

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Solution

The fourth proportional to 2,817.60, 4,234.80 and 2,333.76 is: 3,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.60 : 4,234.80 = 2,333.76 : x
  2. Step 2: Convert to fraction form
    2,817.60/4,234.80 = 2,333.76/x
  3. Step 3: Cross multiply
    2,817.60x = 4,234.80 × 2,333.76
  4. Step 4: Simplify right side
    2,817.60x = 9,883,006.85
  5. Step 5: Solve for x
    x = 9,883,006.85/2,817.60
  6. Step 6: Final answer
    x = 3,507.60

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1.5x scale

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.