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Finding the Fourth Proportional to 3,575.84, 5,334.64 and 2,994.44

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Solution

The fourth proportional to 3,575.84, 5,334.64 and 2,994.44 is: 4,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.84 : 5,334.64 = 2,994.44 : x
  2. Step 2: Convert to fraction form
    3,575.84/5,334.64 = 2,994.44/x
  3. Step 3: Cross multiply
    3,575.84x = 5,334.64 × 2,994.44
  4. Step 4: Simplify right side
    3,575.84x = 15,974,259.40
  5. Step 5: Solve for x
    x = 15,974,259.40/3,575.84
  6. Step 6: Final answer
    x = 4,467.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.