Home / 3,083.28-4,254.93-1,686.03

Finding the Fourth Proportional to 3,083.28, 4,254.93 and 1,686.03

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Solution

The fourth proportional to 3,083.28, 4,254.93 and 1,686.03 is: 2,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.28 : 4,254.93 = 1,686.03 : x
  2. Step 2: Convert to fraction form
    3,083.28/4,254.93 = 1,686.03/x
  3. Step 3: Cross multiply
    3,083.28x = 4,254.93 × 1,686.03
  4. Step 4: Simplify right side
    3,083.28x = 7,173,939.63
  5. Step 5: Solve for x
    x = 7,173,939.63/3,083.28
  6. Step 6: Final answer
    x = 2,326.72

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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.