Home / 2,760.03-4,140.32-1,005.53

Finding the Fourth Proportional to 2,760.03, 4,140.32 and 1,005.53

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Solution

The fourth proportional to 2,760.03, 4,140.32 and 1,005.53 is: 1,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.03 : 4,140.32 = 1,005.53 : x
  2. Step 2: Convert to fraction form
    2,760.03/4,140.32 = 1,005.53/x
  3. Step 3: Cross multiply
    2,760.03x = 4,140.32 × 1,005.53
  4. Step 4: Simplify right side
    2,760.03x = 4,163,190.24
  5. Step 5: Solve for x
    x = 4,163,190.24/2,760.03
  6. Step 6: Final answer
    x = 1,508.39

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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.