Home / 2,988.66-4,124.32-1,662.35

Finding the Fourth Proportional to 2,988.66, 4,124.32 and 1,662.35

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Solution

The fourth proportional to 2,988.66, 4,124.32 and 1,662.35 is: 2,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.66 : 4,124.32 = 1,662.35 : x
  2. Step 2: Convert to fraction form
    2,988.66/4,124.32 = 1,662.35/x
  3. Step 3: Cross multiply
    2,988.66x = 4,124.32 × 1,662.35
  4. Step 4: Simplify right side
    2,988.66x = 6,856,063.35
  5. Step 5: Solve for x
    x = 6,856,063.35/2,988.66
  6. Step 6: Final answer
    x = 2,294.03

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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.