Home / 3,515.85-5,281.97-2,056.02

Finding the Fourth Proportional to 3,515.85, 5,281.97 and 2,056.02

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Solution

The fourth proportional to 3,515.85, 5,281.97 and 2,056.02 is: 3,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.85 : 5,281.97 = 2,056.02 : x
  2. Step 2: Convert to fraction form
    3,515.85/5,281.97 = 2,056.02/x
  3. Step 3: Cross multiply
    3,515.85x = 5,281.97 × 2,056.02
  4. Step 4: Simplify right side
    3,515.85x = 10,859,835.96
  5. Step 5: Solve for x
    x = 10,859,835.96/3,515.85
  6. Step 6: Final answer
    x = 3,088.82

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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.