Home / 4,045.96-5,576.70-3,205.12

Finding the Fourth Proportional to 4,045.96, 5,576.70 and 3,205.12

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Solution

The fourth proportional to 4,045.96, 5,576.70 and 3,205.12 is: 4,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.96 : 5,576.70 = 3,205.12 : x
  2. Step 2: Convert to fraction form
    4,045.96/5,576.70 = 3,205.12/x
  3. Step 3: Cross multiply
    4,045.96x = 5,576.70 × 3,205.12
  4. Step 4: Simplify right side
    4,045.96x = 17,873,992.70
  5. Step 5: Solve for x
    x = 17,873,992.70/4,045.96
  6. Step 6: Final answer
    x = 4,417.74

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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.