Home / 3,200.64-4,416.96-1,874.48

Finding the Fourth Proportional to 3,200.64, 4,416.96 and 1,874.48

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Solution

The fourth proportional to 3,200.64, 4,416.96 and 1,874.48 is: 2,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.64 : 4,416.96 = 1,874.48 : x
  2. Step 2: Convert to fraction form
    3,200.64/4,416.96 = 1,874.48/x
  3. Step 3: Cross multiply
    3,200.64x = 4,416.96 × 1,874.48
  4. Step 4: Simplify right side
    3,200.64x = 8,279,503.18
  5. Step 5: Solve for x
    x = 8,279,503.18/3,200.64
  6. Step 6: Final answer
    x = 2,586.83

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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.