Home / 3,699.03-5,103.45-2,636.97

Finding the Fourth Proportional to 3,699.03, 5,103.45 and 2,636.97

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Solution

The fourth proportional to 3,699.03, 5,103.45 and 2,636.97 is: 3,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.03 : 5,103.45 = 2,636.97 : x
  2. Step 2: Convert to fraction form
    3,699.03/5,103.45 = 2,636.97/x
  3. Step 3: Cross multiply
    3,699.03x = 5,103.45 × 2,636.97
  4. Step 4: Simplify right side
    3,699.03x = 13,457,644.55
  5. Step 5: Solve for x
    x = 13,457,644.55/3,699.03
  6. Step 6: Final answer
    x = 3,638.16

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1.5x scale

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.