Home / 2,540.26-3,807.30-1,153.24

Finding the Fourth Proportional to 2,540.26, 3,807.30 and 1,153.24

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Solution

The fourth proportional to 2,540.26, 3,807.30 and 1,153.24 is: 1,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.26 : 3,807.30 = 1,153.24 : x
  2. Step 2: Convert to fraction form
    2,540.26/3,807.30 = 1,153.24/x
  3. Step 3: Cross multiply
    2,540.26x = 3,807.30 × 1,153.24
  4. Step 4: Simplify right side
    2,540.26x = 4,390,725.46
  5. Step 5: Solve for x
    x = 4,390,725.46/2,540.26
  6. Step 6: Final answer
    x = 1,728.45

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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.