Home / 3,333.69-4,997.84-1,387.35

Finding the Fourth Proportional to 3,333.69, 4,997.84 and 1,387.35

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Solution

The fourth proportional to 3,333.69, 4,997.84 and 1,387.35 is: 2,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.69 : 4,997.84 = 1,387.35 : x
  2. Step 2: Convert to fraction form
    3,333.69/4,997.84 = 1,387.35/x
  3. Step 3: Cross multiply
    3,333.69x = 4,997.84 × 1,387.35
  4. Step 4: Simplify right side
    3,333.69x = 6,933,746.39
  5. Step 5: Solve for x
    x = 6,933,746.39/3,333.69
  6. Step 6: Final answer
    x = 2,079.90

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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.