Home / 3,003.49-4,140.11-2,762.11

Finding the Fourth Proportional to 3,003.49, 4,140.11 and 2,762.11

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Solution

The fourth proportional to 3,003.49, 4,140.11 and 2,762.11 is: 3,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.49 : 4,140.11 = 2,762.11 : x
  2. Step 2: Convert to fraction form
    3,003.49/4,140.11 = 2,762.11/x
  3. Step 3: Cross multiply
    3,003.49x = 4,140.11 × 2,762.11
  4. Step 4: Simplify right side
    3,003.49x = 11,435,404.72
  5. Step 5: Solve for x
    x = 11,435,404.72/3,003.49
  6. Step 6: Final answer
    x = 3,807.38

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1.5x scale

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.