Home / 2,860.67-3,951.51-2,205.74

Finding the Fourth Proportional to 2,860.67, 3,951.51 and 2,205.74

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Solution

The fourth proportional to 2,860.67, 3,951.51 and 2,205.74 is: 3,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.67 : 3,951.51 = 2,205.74 : x
  2. Step 2: Convert to fraction form
    2,860.67/3,951.51 = 2,205.74/x
  3. Step 3: Cross multiply
    2,860.67x = 3,951.51 × 2,205.74
  4. Step 4: Simplify right side
    2,860.67x = 8,716,003.67
  5. Step 5: Solve for x
    x = 8,716,003.67/2,860.67
  6. Step 6: Final answer
    x = 3,046.84

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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.