Home / 3,300.70-4,555.74-2,181.68

Finding the Fourth Proportional to 3,300.70, 4,555.74 and 2,181.68

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Solution

The fourth proportional to 3,300.70, 4,555.74 and 2,181.68 is: 3,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.70 : 4,555.74 = 2,181.68 : x
  2. Step 2: Convert to fraction form
    3,300.70/4,555.74 = 2,181.68/x
  3. Step 3: Cross multiply
    3,300.70x = 4,555.74 × 2,181.68
  4. Step 4: Simplify right side
    3,300.70x = 9,939,166.84
  5. Step 5: Solve for x
    x = 9,939,166.84/3,300.70
  6. Step 6: Final answer
    x = 3,011.23

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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.