Home / 3,610.40-5,416.15-1,530.41

Finding the Fourth Proportional to 3,610.40, 5,416.15 and 1,530.41

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Solution

The fourth proportional to 3,610.40, 5,416.15 and 1,530.41 is: 2,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.40 : 5,416.15 = 1,530.41 : x
  2. Step 2: Convert to fraction form
    3,610.40/5,416.15 = 1,530.41/x
  3. Step 3: Cross multiply
    3,610.40x = 5,416.15 × 1,530.41
  4. Step 4: Simplify right side
    3,610.40x = 8,288,939.84
  5. Step 5: Solve for x
    x = 8,288,939.84/3,610.40
  6. Step 6: Final answer
    x = 2,295.85

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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.