Home / 3,890.98-5,818.72-2,904.48

Finding the Fourth Proportional to 3,890.98, 5,818.72 and 2,904.48

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Solution

The fourth proportional to 3,890.98, 5,818.72 and 2,904.48 is: 4,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.98 : 5,818.72 = 2,904.48 : x
  2. Step 2: Convert to fraction form
    3,890.98/5,818.72 = 2,904.48/x
  3. Step 3: Cross multiply
    3,890.98x = 5,818.72 × 2,904.48
  4. Step 4: Simplify right side
    3,890.98x = 16,900,355.87
  5. Step 5: Solve for x
    x = 16,900,355.87/3,890.98
  6. Step 6: Final answer
    x = 4,343.47

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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.