Home / 3,412.28-4,709-2,015.03

Finding the Fourth Proportional to 3,412.28, 4,709 and 2,015.03

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Solution

The fourth proportional to 3,412.28, 4,709 and 2,015.03 is: 2,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.28 : 4,709 = 2,015.03 : x
  2. Step 2: Convert to fraction form
    3,412.28/4,709 = 2,015.03/x
  3. Step 3: Cross multiply
    3,412.28x = 4,709 × 2,015.03
  4. Step 4: Simplify right side
    3,412.28x = 9,488,776.27
  5. Step 5: Solve for x
    x = 9,488,776.27/3,412.28
  6. Step 6: Final answer
    x = 2,780.77

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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.