Home / 2,415.73-3,624.18-1,720.66

Finding the Fourth Proportional to 2,415.73, 3,624.18 and 1,720.66

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Solution

The fourth proportional to 2,415.73, 3,624.18 and 1,720.66 is: 2,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.73 : 3,624.18 = 1,720.66 : x
  2. Step 2: Convert to fraction form
    2,415.73/3,624.18 = 1,720.66/x
  3. Step 3: Cross multiply
    2,415.73x = 3,624.18 × 1,720.66
  4. Step 4: Simplify right side
    2,415.73x = 6,235,981.56
  5. Step 5: Solve for x
    x = 6,235,981.56/2,415.73
  6. Step 6: Final answer
    x = 2,581.41

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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.