Home / 3,140.04-4,336.05-2,305.50

Finding the Fourth Proportional to 3,140.04, 4,336.05 and 2,305.50

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Solution

The fourth proportional to 3,140.04, 4,336.05 and 2,305.50 is: 3,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.04 : 4,336.05 = 2,305.50 : x
  2. Step 2: Convert to fraction form
    3,140.04/4,336.05 = 2,305.50/x
  3. Step 3: Cross multiply
    3,140.04x = 4,336.05 × 2,305.50
  4. Step 4: Simplify right side
    3,140.04x = 9,996,763.28
  5. Step 5: Solve for x
    x = 9,996,763.28/3,140.04
  6. Step 6: Final answer
    x = 3,183.64

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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.