Home / 1,760.88-2,431.64-1,132.50

Finding the Fourth Proportional to 1,760.88, 2,431.64 and 1,132.50

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Solution

The fourth proportional to 1,760.88, 2,431.64 and 1,132.50 is: 1,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.88 : 2,431.64 = 1,132.50 : x
  2. Step 2: Convert to fraction form
    1,760.88/2,431.64 = 1,132.50/x
  3. Step 3: Cross multiply
    1,760.88x = 2,431.64 × 1,132.50
  4. Step 4: Simplify right side
    1,760.88x = 2,753,826.64
  5. Step 5: Solve for x
    x = 2,753,826.64/1,760.88
  6. Step 6: Final answer
    x = 1,563.89

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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.