Home / 3,300.67-4,554.84-1,808.65

Finding the Fourth Proportional to 3,300.67, 4,554.84 and 1,808.65

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Solution

The fourth proportional to 3,300.67, 4,554.84 and 1,808.65 is: 2,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.67 : 4,554.84 = 1,808.65 : x
  2. Step 2: Convert to fraction form
    3,300.67/4,554.84 = 1,808.65/x
  3. Step 3: Cross multiply
    3,300.67x = 4,554.84 × 1,808.65
  4. Step 4: Simplify right side
    3,300.67x = 8,238,111.37
  5. Step 5: Solve for x
    x = 8,238,111.37/3,300.67
  6. Step 6: Final answer
    x = 2,495.89

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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.