Home / 3,260.12-4,885.96-2,089.68

Finding the Fourth Proportional to 3,260.12, 4,885.96 and 2,089.68

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Solution

The fourth proportional to 3,260.12, 4,885.96 and 2,089.68 is: 3,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.12 : 4,885.96 = 2,089.68 : x
  2. Step 2: Convert to fraction form
    3,260.12/4,885.96 = 2,089.68/x
  3. Step 3: Cross multiply
    3,260.12x = 4,885.96 × 2,089.68
  4. Step 4: Simplify right side
    3,260.12x = 10,210,092.89
  5. Step 5: Solve for x
    x = 10,210,092.89/3,260.12
  6. Step 6: Final answer
    x = 3,131.82

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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.