Home / 3,747.89-5,618.40-2,357

Finding the Fourth Proportional to 3,747.89, 5,618.40 and 2,357

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Solution

The fourth proportional to 3,747.89, 5,618.40 and 2,357 is: 3,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.89 : 5,618.40 = 2,357 : x
  2. Step 2: Convert to fraction form
    3,747.89/5,618.40 = 2,357/x
  3. Step 3: Cross multiply
    3,747.89x = 5,618.40 × 2,357
  4. Step 4: Simplify right side
    3,747.89x = 13,242,568.80
  5. Step 5: Solve for x
    x = 13,242,568.80/3,747.89
  6. Step 6: Final answer
    x = 3,533.34

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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.