Home / 3,368.72-5,049.41-1,612.64

Finding the Fourth Proportional to 3,368.72, 5,049.41 and 1,612.64

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Solution

The fourth proportional to 3,368.72, 5,049.41 and 1,612.64 is: 2,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.72 : 5,049.41 = 1,612.64 : x
  2. Step 2: Convert to fraction form
    3,368.72/5,049.41 = 1,612.64/x
  3. Step 3: Cross multiply
    3,368.72x = 5,049.41 × 1,612.64
  4. Step 4: Simplify right side
    3,368.72x = 8,142,885.10
  5. Step 5: Solve for x
    x = 8,142,885.10/3,368.72
  6. Step 6: Final answer
    x = 2,417.20

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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.