Home / 2,416.12-3,624.20-661.09

Finding the Fourth Proportional to 2,416.12, 3,624.20 and 661.09

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Solution

The fourth proportional to 2,416.12, 3,624.20 and 661.09 is: 991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.12 : 3,624.20 = 661.09 : x
  2. Step 2: Convert to fraction form
    2,416.12/3,624.20 = 661.09/x
  3. Step 3: Cross multiply
    2,416.12x = 3,624.20 × 661.09
  4. Step 4: Simplify right side
    2,416.12x = 2,395,900.95
  5. Step 5: Solve for x
    x = 2,395,900.95/2,416.12
  6. Step 6: Final answer
    x = 991.63

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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.