Home / 3,746.27-5,169.82-2,153

Finding the Fourth Proportional to 3,746.27, 5,169.82 and 2,153

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Solution

The fourth proportional to 3,746.27, 5,169.82 and 2,153 is: 2,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.27 : 5,169.82 = 2,153 : x
  2. Step 2: Convert to fraction form
    3,746.27/5,169.82 = 2,153/x
  3. Step 3: Cross multiply
    3,746.27x = 5,169.82 × 2,153
  4. Step 4: Simplify right side
    3,746.27x = 11,130,622.46
  5. Step 5: Solve for x
    x = 11,130,622.46/3,746.27
  6. Step 6: Final answer
    x = 2,971.12

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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.