Home / 2,575.83-3,866.01-1,260.28

Finding the Fourth Proportional to 2,575.83, 3,866.01 and 1,260.28

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Solution

The fourth proportional to 2,575.83, 3,866.01 and 1,260.28 is: 1,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.83 : 3,866.01 = 1,260.28 : x
  2. Step 2: Convert to fraction form
    2,575.83/3,866.01 = 1,260.28/x
  3. Step 3: Cross multiply
    2,575.83x = 3,866.01 × 1,260.28
  4. Step 4: Simplify right side
    2,575.83x = 4,872,255.08
  5. Step 5: Solve for x
    x = 4,872,255.08/2,575.83
  6. Step 6: Final answer
    x = 1,891.53

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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.