Home / 2,581.19-3,561.99-1,402.26

Finding the Fourth Proportional to 2,581.19, 3,561.99 and 1,402.26

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Solution

The fourth proportional to 2,581.19, 3,561.99 and 1,402.26 is: 1,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.19 : 3,561.99 = 1,402.26 : x
  2. Step 2: Convert to fraction form
    2,581.19/3,561.99 = 1,402.26/x
  3. Step 3: Cross multiply
    2,581.19x = 3,561.99 × 1,402.26
  4. Step 4: Simplify right side
    2,581.19x = 4,994,836.10
  5. Step 5: Solve for x
    x = 4,994,836.10/2,581.19
  6. Step 6: Final answer
    x = 1,935.09

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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.