Home / 3,901.77-5,384.61-2,133.27

Finding the Fourth Proportional to 3,901.77, 5,384.61 and 2,133.27

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Solution

The fourth proportional to 3,901.77, 5,384.61 and 2,133.27 is: 2,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.77 : 5,384.61 = 2,133.27 : x
  2. Step 2: Convert to fraction form
    3,901.77/5,384.61 = 2,133.27/x
  3. Step 3: Cross multiply
    3,901.77x = 5,384.61 × 2,133.27
  4. Step 4: Simplify right side
    3,901.77x = 11,486,826.97
  5. Step 5: Solve for x
    x = 11,486,826.97/3,901.77
  6. Step 6: Final answer
    x = 2,944.00

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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.