Home / 3,249.08-4,483.41-1,990.50

Finding the Fourth Proportional to 3,249.08, 4,483.41 and 1,990.50

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Solution

The fourth proportional to 3,249.08, 4,483.41 and 1,990.50 is: 2,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.08 : 4,483.41 = 1,990.50 : x
  2. Step 2: Convert to fraction form
    3,249.08/4,483.41 = 1,990.50/x
  3. Step 3: Cross multiply
    3,249.08x = 4,483.41 × 1,990.50
  4. Step 4: Simplify right side
    3,249.08x = 8,924,227.61
  5. Step 5: Solve for x
    x = 8,924,227.61/3,249.08
  6. Step 6: Final answer
    x = 2,746.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.