Home / 3,083.08-4,254.64-1,685.92

Finding the Fourth Proportional to 3,083.08, 4,254.64 and 1,685.92

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Solution

The fourth proportional to 3,083.08, 4,254.64 and 1,685.92 is: 2,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.08 : 4,254.64 = 1,685.92 : x
  2. Step 2: Convert to fraction form
    3,083.08/4,254.64 = 1,685.92/x
  3. Step 3: Cross multiply
    3,083.08x = 4,254.64 × 1,685.92
  4. Step 4: Simplify right side
    3,083.08x = 7,172,982.67
  5. Step 5: Solve for x
    x = 7,172,982.67/3,083.08
  6. Step 6: Final answer
    x = 2,326.56

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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.