Home / 3,129.32-4,688.04-2,433.44

Finding the Fourth Proportional to 3,129.32, 4,688.04 and 2,433.44

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Solution

The fourth proportional to 3,129.32, 4,688.04 and 2,433.44 is: 3,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.32 : 4,688.04 = 2,433.44 : x
  2. Step 2: Convert to fraction form
    3,129.32/4,688.04 = 2,433.44/x
  3. Step 3: Cross multiply
    3,129.32x = 4,688.04 × 2,433.44
  4. Step 4: Simplify right side
    3,129.32x = 11,408,064.06
  5. Step 5: Solve for x
    x = 11,408,064.06/3,129.32
  6. Step 6: Final answer
    x = 3,645.54

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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.