Home / 3,167.56-4,754.58-1,919.35

Finding the Fourth Proportional to 3,167.56, 4,754.58 and 1,919.35

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Solution

The fourth proportional to 3,167.56, 4,754.58 and 1,919.35 is: 2,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.56 : 4,754.58 = 1,919.35 : x
  2. Step 2: Convert to fraction form
    3,167.56/4,754.58 = 1,919.35/x
  3. Step 3: Cross multiply
    3,167.56x = 4,754.58 × 1,919.35
  4. Step 4: Simplify right side
    3,167.56x = 9,125,703.12
  5. Step 5: Solve for x
    x = 9,125,703.12/3,167.56
  6. Step 6: Final answer
    x = 2,880.99

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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.