Home / 3,742.33-5,615.12-1,435.45

Finding the Fourth Proportional to 3,742.33, 5,615.12 and 1,435.45

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Solution

The fourth proportional to 3,742.33, 5,615.12 and 1,435.45 is: 2,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.33 : 5,615.12 = 1,435.45 : x
  2. Step 2: Convert to fraction form
    3,742.33/5,615.12 = 1,435.45/x
  3. Step 3: Cross multiply
    3,742.33x = 5,615.12 × 1,435.45
  4. Step 4: Simplify right side
    3,742.33x = 8,060,224.00
  5. Step 5: Solve for x
    x = 8,060,224.00/3,742.33
  6. Step 6: Final answer
    x = 2,153.80

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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.