Home / 2,645.87-3,968.33-1,184.76

Finding the Fourth Proportional to 2,645.87, 3,968.33 and 1,184.76

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Solution

The fourth proportional to 2,645.87, 3,968.33 and 1,184.76 is: 1,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.87 : 3,968.33 = 1,184.76 : x
  2. Step 2: Convert to fraction form
    2,645.87/3,968.33 = 1,184.76/x
  3. Step 3: Cross multiply
    2,645.87x = 3,968.33 × 1,184.76
  4. Step 4: Simplify right side
    2,645.87x = 4,701,512.73
  5. Step 5: Solve for x
    x = 4,701,512.73/2,645.87
  6. Step 6: Final answer
    x = 1,776.93

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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.