Home / 3,026.42-4,178.05-2,036.90

Finding the Fourth Proportional to 3,026.42, 4,178.05 and 2,036.90

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Solution

The fourth proportional to 3,026.42, 4,178.05 and 2,036.90 is: 2,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.42 : 4,178.05 = 2,036.90 : x
  2. Step 2: Convert to fraction form
    3,026.42/4,178.05 = 2,036.90/x
  3. Step 3: Cross multiply
    3,026.42x = 4,178.05 × 2,036.90
  4. Step 4: Simplify right side
    3,026.42x = 8,510,270.05
  5. Step 5: Solve for x
    x = 8,510,270.05/3,026.42
  6. Step 6: Final answer
    x = 2,811.99

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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.