Home / 3,114.32-4,675.55-2,856.42

Finding the Fourth Proportional to 3,114.32, 4,675.55 and 2,856.42

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Solution

The fourth proportional to 3,114.32, 4,675.55 and 2,856.42 is: 4,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.32 : 4,675.55 = 2,856.42 : x
  2. Step 2: Convert to fraction form
    3,114.32/4,675.55 = 2,856.42/x
  3. Step 3: Cross multiply
    3,114.32x = 4,675.55 × 2,856.42
  4. Step 4: Simplify right side
    3,114.32x = 13,355,320.25
  5. Step 5: Solve for x
    x = 13,355,320.25/3,114.32
  6. Step 6: Final answer
    x = 4,288.37

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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.