Home / 2,412.24-3,328.74-1,349.88

Finding the Fourth Proportional to 2,412.24, 3,328.74 and 1,349.88

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Solution

The fourth proportional to 2,412.24, 3,328.74 and 1,349.88 is: 1,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.24 : 3,328.74 = 1,349.88 : x
  2. Step 2: Convert to fraction form
    2,412.24/3,328.74 = 1,349.88/x
  3. Step 3: Cross multiply
    2,412.24x = 3,328.74 × 1,349.88
  4. Step 4: Simplify right side
    2,412.24x = 4,493,399.55
  5. Step 5: Solve for x
    x = 4,493,399.55/2,412.24
  6. Step 6: Final answer
    x = 1,862.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.