Home / 3,303.50-4,555.09-2,106.89

Finding the Fourth Proportional to 3,303.50, 4,555.09 and 2,106.89

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Solution

The fourth proportional to 3,303.50, 4,555.09 and 2,106.89 is: 2,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.50 : 4,555.09 = 2,106.89 : x
  2. Step 2: Convert to fraction form
    3,303.50/4,555.09 = 2,106.89/x
  3. Step 3: Cross multiply
    3,303.50x = 4,555.09 × 2,106.89
  4. Step 4: Simplify right side
    3,303.50x = 9,597,063.62
  5. Step 5: Solve for x
    x = 9,597,063.62/3,303.50
  6. Step 6: Final answer
    x = 2,905.12

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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.