Home / 2,860.80-3,944.78-2,484.45

Finding the Fourth Proportional to 2,860.80, 3,944.78 and 2,484.45

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Solution

The fourth proportional to 2,860.80, 3,944.78 and 2,484.45 is: 3,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.80 : 3,944.78 = 2,484.45 : x
  2. Step 2: Convert to fraction form
    2,860.80/3,944.78 = 2,484.45/x
  3. Step 3: Cross multiply
    2,860.80x = 3,944.78 × 2,484.45
  4. Step 4: Simplify right side
    2,860.80x = 9,800,608.67
  5. Step 5: Solve for x
    x = 9,800,608.67/2,860.80
  6. Step 6: Final answer
    x = 3,425.83

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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.