Home / 3,746.89-5,170.94-2,154.05

Finding the Fourth Proportional to 3,746.89, 5,170.94 and 2,154.05

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Solution

The fourth proportional to 3,746.89, 5,170.94 and 2,154.05 is: 2,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.89 : 5,170.94 = 2,154.05 : x
  2. Step 2: Convert to fraction form
    3,746.89/5,170.94 = 2,154.05/x
  3. Step 3: Cross multiply
    3,746.89x = 5,170.94 × 2,154.05
  4. Step 4: Simplify right side
    3,746.89x = 11,138,463.31
  5. Step 5: Solve for x
    x = 11,138,463.31/3,746.89
  6. Step 6: Final answer
    x = 2,972.72

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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.