Home / 3,747.10-5,621.79-2,653.58

Finding the Fourth Proportional to 3,747.10, 5,621.79 and 2,653.58

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Solution

The fourth proportional to 3,747.10, 5,621.79 and 2,653.58 is: 3,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.10 : 5,621.79 = 2,653.58 : x
  2. Step 2: Convert to fraction form
    3,747.10/5,621.79 = 2,653.58/x
  3. Step 3: Cross multiply
    3,747.10x = 5,621.79 × 2,653.58
  4. Step 4: Simplify right side
    3,747.10x = 14,917,869.51
  5. Step 5: Solve for x
    x = 14,917,869.51/3,747.10
  6. Step 6: Final answer
    x = 3,981.18

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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.