Home / 2,865.62-4,305.64-1,826.10

Finding the Fourth Proportional to 2,865.62, 4,305.64 and 1,826.10

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Solution

The fourth proportional to 2,865.62, 4,305.64 and 1,826.10 is: 2,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.62 : 4,305.64 = 1,826.10 : x
  2. Step 2: Convert to fraction form
    2,865.62/4,305.64 = 1,826.10/x
  3. Step 3: Cross multiply
    2,865.62x = 4,305.64 × 1,826.10
  4. Step 4: Simplify right side
    2,865.62x = 7,862,529.20
  5. Step 5: Solve for x
    x = 7,862,529.20/2,865.62
  6. Step 6: Final answer
    x = 2,743.74

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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.