Home / 3,315.87-4,576.50-2,755.62

Finding the Fourth Proportional to 3,315.87, 4,576.50 and 2,755.62

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Solution

The fourth proportional to 3,315.87, 4,576.50 and 2,755.62 is: 3,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.87 : 4,576.50 = 2,755.62 : x
  2. Step 2: Convert to fraction form
    3,315.87/4,576.50 = 2,755.62/x
  3. Step 3: Cross multiply
    3,315.87x = 4,576.50 × 2,755.62
  4. Step 4: Simplify right side
    3,315.87x = 12,611,094.93
  5. Step 5: Solve for x
    x = 12,611,094.93/3,315.87
  6. Step 6: Final answer
    x = 3,803.25

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1.5x scale

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.