Home / 2,899.12-4,349.88-1,255.36

Finding the Fourth Proportional to 2,899.12, 4,349.88 and 1,255.36

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Solution

The fourth proportional to 2,899.12, 4,349.88 and 1,255.36 is: 1,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.12 : 4,349.88 = 1,255.36 : x
  2. Step 2: Convert to fraction form
    2,899.12/4,349.88 = 1,255.36/x
  3. Step 3: Cross multiply
    2,899.12x = 4,349.88 × 1,255.36
  4. Step 4: Simplify right side
    2,899.12x = 5,460,665.36
  5. Step 5: Solve for x
    x = 5,460,665.36/2,899.12
  6. Step 6: Final answer
    x = 1,883.56

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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.