Home / 3,115.79-4,667.67-2,454.17

Finding the Fourth Proportional to 3,115.79, 4,667.67 and 2,454.17

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Solution

The fourth proportional to 3,115.79, 4,667.67 and 2,454.17 is: 3,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.79 : 4,667.67 = 2,454.17 : x
  2. Step 2: Convert to fraction form
    3,115.79/4,667.67 = 2,454.17/x
  3. Step 3: Cross multiply
    3,115.79x = 4,667.67 × 2,454.17
  4. Step 4: Simplify right side
    3,115.79x = 11,455,232.35
  5. Step 5: Solve for x
    x = 11,455,232.35/3,115.79
  6. Step 6: Final answer
    x = 3,676.52

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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.