Home / 3,434.06-4,739.02-2,107.76

Finding the Fourth Proportional to 3,434.06, 4,739.02 and 2,107.76

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Solution

The fourth proportional to 3,434.06, 4,739.02 and 2,107.76 is: 2,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.06 : 4,739.02 = 2,107.76 : x
  2. Step 2: Convert to fraction form
    3,434.06/4,739.02 = 2,107.76/x
  3. Step 3: Cross multiply
    3,434.06x = 4,739.02 × 2,107.76
  4. Step 4: Simplify right side
    3,434.06x = 9,988,687.83
  5. Step 5: Solve for x
    x = 9,988,687.83/3,434.06
  6. Step 6: Final answer
    x = 2,908.71

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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.