Home / 2,133.17-2,944.26-1,385.83

Finding the Fourth Proportional to 2,133.17, 2,944.26 and 1,385.83

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Solution

The fourth proportional to 2,133.17, 2,944.26 and 1,385.83 is: 1,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.17 : 2,944.26 = 1,385.83 : x
  2. Step 2: Convert to fraction form
    2,133.17/2,944.26 = 1,385.83/x
  3. Step 3: Cross multiply
    2,133.17x = 2,944.26 × 1,385.83
  4. Step 4: Simplify right side
    2,133.17x = 4,080,243.84
  5. Step 5: Solve for x
    x = 4,080,243.84/2,133.17
  6. Step 6: Final answer
    x = 1,912.76

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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.