Home / 3,330.86-4,997.68-1,250.55

Finding the Fourth Proportional to 3,330.86, 4,997.68 and 1,250.55

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Solution

The fourth proportional to 3,330.86, 4,997.68 and 1,250.55 is: 1,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.86 : 4,997.68 = 1,250.55 : x
  2. Step 2: Convert to fraction form
    3,330.86/4,997.68 = 1,250.55/x
  3. Step 3: Cross multiply
    3,330.86x = 4,997.68 × 1,250.55
  4. Step 4: Simplify right side
    3,330.86x = 6,249,845.60
  5. Step 5: Solve for x
    x = 6,249,845.60/3,330.86
  6. Step 6: Final answer
    x = 1,876.35

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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.