Home / 3,081.42-4,259.25-2,302.74

Finding the Fourth Proportional to 3,081.42, 4,259.25 and 2,302.74

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Solution

The fourth proportional to 3,081.42, 4,259.25 and 2,302.74 is: 3,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.42 : 4,259.25 = 2,302.74 : x
  2. Step 2: Convert to fraction form
    3,081.42/4,259.25 = 2,302.74/x
  3. Step 3: Cross multiply
    3,081.42x = 4,259.25 × 2,302.74
  4. Step 4: Simplify right side
    3,081.42x = 9,807,945.35
  5. Step 5: Solve for x
    x = 9,807,945.35/3,081.42
  6. Step 6: Final answer
    x = 3,182.93

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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.