Home / 3,503.85-5,253.15-2,116.87

Finding the Fourth Proportional to 3,503.85, 5,253.15 and 2,116.87

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Solution

The fourth proportional to 3,503.85, 5,253.15 and 2,116.87 is: 3,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.85 : 5,253.15 = 2,116.87 : x
  2. Step 2: Convert to fraction form
    3,503.85/5,253.15 = 2,116.87/x
  3. Step 3: Cross multiply
    3,503.85x = 5,253.15 × 2,116.87
  4. Step 4: Simplify right side
    3,503.85x = 11,120,230.45
  5. Step 5: Solve for x
    x = 11,120,230.45/3,503.85
  6. Step 6: Final answer
    x = 3,173.72

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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.