Home / 3,333.90-4,997.43-1,685.45

Finding the Fourth Proportional to 3,333.90, 4,997.43 and 1,685.45

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Solution

The fourth proportional to 3,333.90, 4,997.43 and 1,685.45 is: 2,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.90 : 4,997.43 = 1,685.45 : x
  2. Step 2: Convert to fraction form
    3,333.90/4,997.43 = 1,685.45/x
  3. Step 3: Cross multiply
    3,333.90x = 4,997.43 × 1,685.45
  4. Step 4: Simplify right side
    3,333.90x = 8,422,893.41
  5. Step 5: Solve for x
    x = 8,422,893.41/3,333.90
  6. Step 6: Final answer
    x = 2,526.44

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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.