Home / 3,746.27-5,170.08-2,153.42

Finding the Fourth Proportional to 3,746.27, 5,170.08 and 2,153.42

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Solution

The fourth proportional to 3,746.27, 5,170.08 and 2,153.42 is: 2,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.27 : 5,170.08 = 2,153.42 : x
  2. Step 2: Convert to fraction form
    3,746.27/5,170.08 = 2,153.42/x
  3. Step 3: Cross multiply
    3,746.27x = 5,170.08 × 2,153.42
  4. Step 4: Simplify right side
    3,746.27x = 11,133,366.60
  5. Step 5: Solve for x
    x = 11,133,366.60/3,746.27
  6. Step 6: Final answer
    x = 2,971.86

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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.