Home / 4,431.88-6,645.05-1,657.09

Finding the Fourth Proportional to 4,431.88, 6,645.05 and 1,657.09

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Solution

The fourth proportional to 4,431.88, 6,645.05 and 1,657.09 is: 2,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.88 : 6,645.05 = 1,657.09 : x
  2. Step 2: Convert to fraction form
    4,431.88/6,645.05 = 1,657.09/x
  3. Step 3: Cross multiply
    4,431.88x = 6,645.05 × 1,657.09
  4. Step 4: Simplify right side
    4,431.88x = 11,011,404.39
  5. Step 5: Solve for x
    x = 11,011,404.39/4,431.88
  6. Step 6: Final answer
    x = 2,484.59

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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.