Home / 2,236.17-3,076.87-2,178.93

Finding the Fourth Proportional to 2,236.17, 3,076.87 and 2,178.93

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Solution

The fourth proportional to 2,236.17, 3,076.87 and 2,178.93 is: 2,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.17 : 3,076.87 = 2,178.93 : x
  2. Step 2: Convert to fraction form
    2,236.17/3,076.87 = 2,178.93/x
  3. Step 3: Cross multiply
    2,236.17x = 3,076.87 × 2,178.93
  4. Step 4: Simplify right side
    2,236.17x = 6,704,284.35
  5. Step 5: Solve for x
    x = 6,704,284.35/2,236.17
  6. Step 6: Final answer
    x = 2,998.11

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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.