Home / 1,826.17-2,742.55-1,679.65

Finding the Fourth Proportional to 1,826.17, 2,742.55 and 1,679.65

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Solution

The fourth proportional to 1,826.17, 2,742.55 and 1,679.65 is: 2,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.17 : 2,742.55 = 1,679.65 : x
  2. Step 2: Convert to fraction form
    1,826.17/2,742.55 = 1,679.65/x
  3. Step 3: Cross multiply
    1,826.17x = 2,742.55 × 1,679.65
  4. Step 4: Simplify right side
    1,826.17x = 4,606,513.05
  5. Step 5: Solve for x
    x = 4,606,513.05/1,826.17
  6. Step 6: Final answer
    x = 2,522.50

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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.