Home / 3,746.64-5,617.92-2,106.39

Finding the Fourth Proportional to 3,746.64, 5,617.92 and 2,106.39

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Solution

The fourth proportional to 3,746.64, 5,617.92 and 2,106.39 is: 3,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.64 : 5,617.92 = 2,106.39 : x
  2. Step 2: Convert to fraction form
    3,746.64/5,617.92 = 2,106.39/x
  3. Step 3: Cross multiply
    3,746.64x = 5,617.92 × 2,106.39
  4. Step 4: Simplify right side
    3,746.64x = 11,833,530.51
  5. Step 5: Solve for x
    x = 11,833,530.51/3,746.64
  6. Step 6: Final answer
    x = 3,158.44

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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.