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Finding the Fourth Proportional to 3,354.81, 5,009.61 and 2,739.71

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Solution

The fourth proportional to 3,354.81, 5,009.61 and 2,739.71 is: 4,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.81 : 5,009.61 = 2,739.71 : x
  2. Step 2: Convert to fraction form
    3,354.81/5,009.61 = 2,739.71/x
  3. Step 3: Cross multiply
    3,354.81x = 5,009.61 × 2,739.71
  4. Step 4: Simplify right side
    3,354.81x = 13,724,853.57
  5. Step 5: Solve for x
    x = 13,724,853.57/3,354.81
  6. Step 6: Final answer
    x = 4,091.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.