Home / 3,416.18-5,120.61-2,439.32

Finding the Fourth Proportional to 3,416.18, 5,120.61 and 2,439.32

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Solution

The fourth proportional to 3,416.18, 5,120.61 and 2,439.32 is: 3,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.18 : 5,120.61 = 2,439.32 : x
  2. Step 2: Convert to fraction form
    3,416.18/5,120.61 = 2,439.32/x
  3. Step 3: Cross multiply
    3,416.18x = 5,120.61 × 2,439.32
  4. Step 4: Simplify right side
    3,416.18x = 12,490,771.63
  5. Step 5: Solve for x
    x = 12,490,771.63/3,416.18
  6. Step 6: Final answer
    x = 3,656.36

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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.