Home / 3,638.49-5,457.87-1,173.35

Finding the Fourth Proportional to 3,638.49, 5,457.87 and 1,173.35

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Solution

The fourth proportional to 3,638.49, 5,457.87 and 1,173.35 is: 1,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.49 : 5,457.87 = 1,173.35 : x
  2. Step 2: Convert to fraction form
    3,638.49/5,457.87 = 1,173.35/x
  3. Step 3: Cross multiply
    3,638.49x = 5,457.87 × 1,173.35
  4. Step 4: Simplify right side
    3,638.49x = 6,403,958.61
  5. Step 5: Solve for x
    x = 6,403,958.61/3,638.49
  6. Step 6: Final answer
    x = 1,760.06

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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.