Home / 3,015.82-4,153.98-2,130.04

Finding the Fourth Proportional to 3,015.82, 4,153.98 and 2,130.04

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Solution

The fourth proportional to 3,015.82, 4,153.98 and 2,130.04 is: 2,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.82 : 4,153.98 = 2,130.04 : x
  2. Step 2: Convert to fraction form
    3,015.82/4,153.98 = 2,130.04/x
  3. Step 3: Cross multiply
    3,015.82x = 4,153.98 × 2,130.04
  4. Step 4: Simplify right side
    3,015.82x = 8,848,143.56
  5. Step 5: Solve for x
    x = 8,848,143.56/3,015.82
  6. Step 6: Final answer
    x = 2,933.91

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1.5x scale

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.