Home / 1,867.24-2,800.86-1,760.32

Finding the Fourth Proportional to 1,867.24, 2,800.86 and 1,760.32

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Solution

The fourth proportional to 1,867.24, 2,800.86 and 1,760.32 is: 2,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.24 : 2,800.86 = 1,760.32 : x
  2. Step 2: Convert to fraction form
    1,867.24/2,800.86 = 1,760.32/x
  3. Step 3: Cross multiply
    1,867.24x = 2,800.86 × 1,760.32
  4. Step 4: Simplify right side
    1,867.24x = 4,930,409.88
  5. Step 5: Solve for x
    x = 4,930,409.88/1,867.24
  6. Step 6: Final answer
    x = 2,640.48

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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.