Home / 3,425.10-4,726.71-2,009.79

Finding the Fourth Proportional to 3,425.10, 4,726.71 and 2,009.79

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Solution

The fourth proportional to 3,425.10, 4,726.71 and 2,009.79 is: 2,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.10 : 4,726.71 = 2,009.79 : x
  2. Step 2: Convert to fraction form
    3,425.10/4,726.71 = 2,009.79/x
  3. Step 3: Cross multiply
    3,425.10x = 4,726.71 × 2,009.79
  4. Step 4: Simplify right side
    3,425.10x = 9,499,694.49
  5. Step 5: Solve for x
    x = 9,499,694.49/3,425.10
  6. Step 6: Final answer
    x = 2,773.55

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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.