Home / 3,036.96-4,208.94-2,990.88

Finding the Fourth Proportional to 3,036.96, 4,208.94 and 2,990.88

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Solution

The fourth proportional to 3,036.96, 4,208.94 and 2,990.88 is: 4,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.96 : 4,208.94 = 2,990.88 : x
  2. Step 2: Convert to fraction form
    3,036.96/4,208.94 = 2,990.88/x
  3. Step 3: Cross multiply
    3,036.96x = 4,208.94 × 2,990.88
  4. Step 4: Simplify right side
    3,036.96x = 12,588,434.47
  5. Step 5: Solve for x
    x = 12,588,434.47/3,036.96
  6. Step 6: Final answer
    x = 4,145.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.