Home / 3,638.32-5,459.92-1,447.52

Finding the Fourth Proportional to 3,638.32, 5,459.92 and 1,447.52

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Solution

The fourth proportional to 3,638.32, 5,459.92 and 1,447.52 is: 2,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.32 : 5,459.92 = 1,447.52 : x
  2. Step 2: Convert to fraction form
    3,638.32/5,459.92 = 1,447.52/x
  3. Step 3: Cross multiply
    3,638.32x = 5,459.92 × 1,447.52
  4. Step 4: Simplify right side
    3,638.32x = 7,903,343.40
  5. Step 5: Solve for x
    x = 7,903,343.40/3,638.32
  6. Step 6: Final answer
    x = 2,172.25

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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.