Home / 4,270.34-6,407.48-1,636.98

Finding the Fourth Proportional to 4,270.34, 6,407.48 and 1,636.98

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Solution

The fourth proportional to 4,270.34, 6,407.48 and 1,636.98 is: 2,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.34 : 6,407.48 = 1,636.98 : x
  2. Step 2: Convert to fraction form
    4,270.34/6,407.48 = 1,636.98/x
  3. Step 3: Cross multiply
    4,270.34x = 6,407.48 × 1,636.98
  4. Step 4: Simplify right side
    4,270.34x = 10,488,904.68
  5. Step 5: Solve for x
    x = 10,488,904.68/4,270.34
  6. Step 6: Final answer
    x = 2,456.22

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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.