Home / 2,670.35-4,025.84-2,511.81

Finding the Fourth Proportional to 2,670.35, 4,025.84 and 2,511.81

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Solution

The fourth proportional to 2,670.35, 4,025.84 and 2,511.81 is: 3,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.35 : 4,025.84 = 2,511.81 : x
  2. Step 2: Convert to fraction form
    2,670.35/4,025.84 = 2,511.81/x
  3. Step 3: Cross multiply
    2,670.35x = 4,025.84 × 2,511.81
  4. Step 4: Simplify right side
    2,670.35x = 10,112,132.61
  5. Step 5: Solve for x
    x = 10,112,132.61/2,670.35
  6. Step 6: Final answer
    x = 3,786.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.