Home / 2,633.99-3,635.61-1,515.05

Finding the Fourth Proportional to 2,633.99, 3,635.61 and 1,515.05

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Solution

The fourth proportional to 2,633.99, 3,635.61 and 1,515.05 is: 2,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.99 : 3,635.61 = 1,515.05 : x
  2. Step 2: Convert to fraction form
    2,633.99/3,635.61 = 1,515.05/x
  3. Step 3: Cross multiply
    2,633.99x = 3,635.61 × 1,515.05
  4. Step 4: Simplify right side
    2,633.99x = 5,508,130.93
  5. Step 5: Solve for x
    x = 5,508,130.93/2,633.99
  6. Step 6: Final answer
    x = 2,091.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.