Home / 2,865.58-4,299.28-1,305.52

Finding the Fourth Proportional to 2,865.58, 4,299.28 and 1,305.52

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Solution

The fourth proportional to 2,865.58, 4,299.28 and 1,305.52 is: 1,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.58 : 4,299.28 = 1,305.52 : x
  2. Step 2: Convert to fraction form
    2,865.58/4,299.28 = 1,305.52/x
  3. Step 3: Cross multiply
    2,865.58x = 4,299.28 × 1,305.52
  4. Step 4: Simplify right side
    2,865.58x = 5,612,782.01
  5. Step 5: Solve for x
    x = 5,612,782.01/2,865.58
  6. Step 6: Final answer
    x = 1,958.69

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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.