Home / 2,988.41-4,115.61-2,923.83

Finding the Fourth Proportional to 2,988.41, 4,115.61 and 2,923.83

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Solution

The fourth proportional to 2,988.41, 4,115.61 and 2,923.83 is: 4,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.41 : 4,115.61 = 2,923.83 : x
  2. Step 2: Convert to fraction form
    2,988.41/4,115.61 = 2,923.83/x
  3. Step 3: Cross multiply
    2,988.41x = 4,115.61 × 2,923.83
  4. Step 4: Simplify right side
    2,988.41x = 12,033,343.99
  5. Step 5: Solve for x
    x = 12,033,343.99/2,988.41
  6. Step 6: Final answer
    x = 4,026.68

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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.