Home / 3,674.10-5,511.15-3,635.70

Finding the Fourth Proportional to 3,674.10, 5,511.15 and 3,635.70

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Solution

The fourth proportional to 3,674.10, 5,511.15 and 3,635.70 is: 5,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.10 : 5,511.15 = 3,635.70 : x
  2. Step 2: Convert to fraction form
    3,674.10/5,511.15 = 3,635.70/x
  3. Step 3: Cross multiply
    3,674.10x = 5,511.15 × 3,635.70
  4. Step 4: Simplify right side
    3,674.10x = 20,036,888.06
  5. Step 5: Solve for x
    x = 20,036,888.06/3,674.10
  6. Step 6: Final answer
    x = 5,453.55

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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.