Home / 3,764.35-5,644.48-2,989.34

Finding the Fourth Proportional to 3,764.35, 5,644.48 and 2,989.34

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Solution

The fourth proportional to 3,764.35, 5,644.48 and 2,989.34 is: 4,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.35 : 5,644.48 = 2,989.34 : x
  2. Step 2: Convert to fraction form
    3,764.35/5,644.48 = 2,989.34/x
  3. Step 3: Cross multiply
    3,764.35x = 5,644.48 × 2,989.34
  4. Step 4: Simplify right side
    3,764.35x = 16,873,269.84
  5. Step 5: Solve for x
    x = 16,873,269.84/3,764.35
  6. Step 6: Final answer
    x = 4,482.39

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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.