Home / 3,312.48-4,974.24-2,961.60

Finding the Fourth Proportional to 3,312.48, 4,974.24 and 2,961.60

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Solution

The fourth proportional to 3,312.48, 4,974.24 and 2,961.60 is: 4,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.48 : 4,974.24 = 2,961.60 : x
  2. Step 2: Convert to fraction form
    3,312.48/4,974.24 = 2,961.60/x
  3. Step 3: Cross multiply
    3,312.48x = 4,974.24 × 2,961.60
  4. Step 4: Simplify right side
    3,312.48x = 14,731,709.18
  5. Step 5: Solve for x
    x = 14,731,709.18/3,312.48
  6. Step 6: Final answer
    x = 4,447.34

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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.