Home / 3,764.78-5,636.70-2,837.49

Finding the Fourth Proportional to 3,764.78, 5,636.70 and 2,837.49

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Solution

The fourth proportional to 3,764.78, 5,636.70 and 2,837.49 is: 4,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.78 : 5,636.70 = 2,837.49 : x
  2. Step 2: Convert to fraction form
    3,764.78/5,636.70 = 2,837.49/x
  3. Step 3: Cross multiply
    3,764.78x = 5,636.70 × 2,837.49
  4. Step 4: Simplify right side
    3,764.78x = 15,994,079.88
  5. Step 5: Solve for x
    x = 15,994,079.88/3,764.78
  6. Step 6: Final answer
    x = 4,248.35

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1.5x scale

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.