Home / 3,610.89-5,416.34-1,013.76

Finding the Fourth Proportional to 3,610.89, 5,416.34 and 1,013.76

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Solution

The fourth proportional to 3,610.89, 5,416.34 and 1,013.76 is: 1,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.89 : 5,416.34 = 1,013.76 : x
  2. Step 2: Convert to fraction form
    3,610.89/5,416.34 = 1,013.76/x
  3. Step 3: Cross multiply
    3,610.89x = 5,416.34 × 1,013.76
  4. Step 4: Simplify right side
    3,610.89x = 5,490,863.77
  5. Step 5: Solve for x
    x = 5,490,863.77/3,610.89
  6. Step 6: Final answer
    x = 1,520.64

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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.