Home / 2,988.41-4,124.13-2,104.49

Finding the Fourth Proportional to 2,988.41, 4,124.13 and 2,104.49

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Solution

The fourth proportional to 2,988.41, 4,124.13 and 2,104.49 is: 2,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.41 : 4,124.13 = 2,104.49 : x
  2. Step 2: Convert to fraction form
    2,988.41/4,124.13 = 2,104.49/x
  3. Step 3: Cross multiply
    2,988.41x = 4,124.13 × 2,104.49
  4. Step 4: Simplify right side
    2,988.41x = 8,679,190.34
  5. Step 5: Solve for x
    x = 8,679,190.34/2,988.41
  6. Step 6: Final answer
    x = 2,904.28

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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.