Home / 2,360.88-3,538.26-1,125.72

Finding the Fourth Proportional to 2,360.88, 3,538.26 and 1,125.72

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Solution

The fourth proportional to 2,360.88, 3,538.26 and 1,125.72 is: 1,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.88 : 3,538.26 = 1,125.72 : x
  2. Step 2: Convert to fraction form
    2,360.88/3,538.26 = 1,125.72/x
  3. Step 3: Cross multiply
    2,360.88x = 3,538.26 × 1,125.72
  4. Step 4: Simplify right side
    2,360.88x = 3,983,090.05
  5. Step 5: Solve for x
    x = 3,983,090.05/2,360.88
  6. Step 6: Final answer
    x = 1,687.12

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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.