Home / 3,124.09-4,310.94-1,726.84

Finding the Fourth Proportional to 3,124.09, 4,310.94 and 1,726.84

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Solution

The fourth proportional to 3,124.09, 4,310.94 and 1,726.84 is: 2,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.09 : 4,310.94 = 1,726.84 : x
  2. Step 2: Convert to fraction form
    3,124.09/4,310.94 = 1,726.84/x
  3. Step 3: Cross multiply
    3,124.09x = 4,310.94 × 1,726.84
  4. Step 4: Simplify right side
    3,124.09x = 7,444,303.63
  5. Step 5: Solve for x
    x = 7,444,303.63/3,124.09
  6. Step 6: Final answer
    x = 2,382.87

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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.