Home / 2,551.24-3,827.26-1,090.40

Finding the Fourth Proportional to 2,551.24, 3,827.26 and 1,090.40

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Solution

The fourth proportional to 2,551.24, 3,827.26 and 1,090.40 is: 1,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.24 : 3,827.26 = 1,090.40 : x
  2. Step 2: Convert to fraction form
    2,551.24/3,827.26 = 1,090.40/x
  3. Step 3: Cross multiply
    2,551.24x = 3,827.26 × 1,090.40
  4. Step 4: Simplify right side
    2,551.24x = 4,173,244.30
  5. Step 5: Solve for x
    x = 4,173,244.30/2,551.24
  6. Step 6: Final answer
    x = 1,635.77

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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.