Home / 3,015.72-4,529.07-2,886.57

Finding the Fourth Proportional to 3,015.72, 4,529.07 and 2,886.57

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Solution

The fourth proportional to 3,015.72, 4,529.07 and 2,886.57 is: 4,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.72 : 4,529.07 = 2,886.57 : x
  2. Step 2: Convert to fraction form
    3,015.72/4,529.07 = 2,886.57/x
  3. Step 3: Cross multiply
    3,015.72x = 4,529.07 × 2,886.57
  4. Step 4: Simplify right side
    3,015.72x = 13,073,477.59
  5. Step 5: Solve for x
    x = 13,073,477.59/3,015.72
  6. Step 6: Final answer
    x = 4,335.11

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1.5x scale

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.