Home / 2,988.55-4,481.52-1,601.47

Finding the Fourth Proportional to 2,988.55, 4,481.52 and 1,601.47

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Solution

The fourth proportional to 2,988.55, 4,481.52 and 1,601.47 is: 2,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.55 : 4,481.52 = 1,601.47 : x
  2. Step 2: Convert to fraction form
    2,988.55/4,481.52 = 1,601.47/x
  3. Step 3: Cross multiply
    2,988.55x = 4,481.52 × 1,601.47
  4. Step 4: Simplify right side
    2,988.55x = 7,177,019.83
  5. Step 5: Solve for x
    x = 7,177,019.83/2,988.55
  6. Step 6: Final answer
    x = 2,401.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.