Home / 3,086.81-4,255.49-2,612.82

Finding the Fourth Proportional to 3,086.81, 4,255.49 and 2,612.82

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Solution

The fourth proportional to 3,086.81, 4,255.49 and 2,612.82 is: 3,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.81 : 4,255.49 = 2,612.82 : x
  2. Step 2: Convert to fraction form
    3,086.81/4,255.49 = 2,612.82/x
  3. Step 3: Cross multiply
    3,086.81x = 4,255.49 × 2,612.82
  4. Step 4: Simplify right side
    3,086.81x = 11,118,816.32
  5. Step 5: Solve for x
    x = 11,118,816.32/3,086.81
  6. Step 6: Final answer
    x = 3,602.05

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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.