Home / 2,225.09-3,339.65-1,185.96

Finding the Fourth Proportional to 2,225.09, 3,339.65 and 1,185.96

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Solution

The fourth proportional to 2,225.09, 3,339.65 and 1,185.96 is: 1,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.09 : 3,339.65 = 1,185.96 : x
  2. Step 2: Convert to fraction form
    2,225.09/3,339.65 = 1,185.96/x
  3. Step 3: Cross multiply
    2,225.09x = 3,339.65 × 1,185.96
  4. Step 4: Simplify right side
    2,225.09x = 3,960,685.38
  5. Step 5: Solve for x
    x = 3,960,685.38/2,225.09
  6. Step 6: Final answer
    x = 1,780.02

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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.