Home / 3,610.85-5,416.03-1,013.79

Finding the Fourth Proportional to 3,610.85, 5,416.03 and 1,013.79

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Solution

The fourth proportional to 3,610.85, 5,416.03 and 1,013.79 is: 1,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.85 : 5,416.03 = 1,013.79 : x
  2. Step 2: Convert to fraction form
    3,610.85/5,416.03 = 1,013.79/x
  3. Step 3: Cross multiply
    3,610.85x = 5,416.03 × 1,013.79
  4. Step 4: Simplify right side
    3,610.85x = 5,490,700.98
  5. Step 5: Solve for x
    x = 5,490,700.98/3,610.85
  6. Step 6: Final answer
    x = 1,520.61

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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.