Home / 3,083.13-4,254.70-1,685.79

Finding the Fourth Proportional to 3,083.13, 4,254.70 and 1,685.79

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Solution

The fourth proportional to 3,083.13, 4,254.70 and 1,685.79 is: 2,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.13 : 4,254.70 = 1,685.79 : x
  2. Step 2: Convert to fraction form
    3,083.13/4,254.70 = 1,685.79/x
  3. Step 3: Cross multiply
    3,083.13x = 4,254.70 × 1,685.79
  4. Step 4: Simplify right side
    3,083.13x = 7,172,530.71
  5. Step 5: Solve for x
    x = 7,172,530.71/3,083.13
  6. Step 6: Final answer
    x = 2,326.38

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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.