Home / 3,542.09-5,313.15-1,076.90

Finding the Fourth Proportional to 3,542.09, 5,313.15 and 1,076.90

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Solution

The fourth proportional to 3,542.09, 5,313.15 and 1,076.90 is: 1,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.09 : 5,313.15 = 1,076.90 : x
  2. Step 2: Convert to fraction form
    3,542.09/5,313.15 = 1,076.90/x
  3. Step 3: Cross multiply
    3,542.09x = 5,313.15 × 1,076.90
  4. Step 4: Simplify right side
    3,542.09x = 5,721,704.67
  5. Step 5: Solve for x
    x = 5,721,704.67/3,542.09
  6. Step 6: Final answer
    x = 1,615.35

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1.5x scale

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.