Home / 2,949.68-4,420.92-1,650.80

Finding the Fourth Proportional to 2,949.68, 4,420.92 and 1,650.80

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Solution

The fourth proportional to 2,949.68, 4,420.92 and 1,650.80 is: 2,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.68 : 4,420.92 = 1,650.80 : x
  2. Step 2: Convert to fraction form
    2,949.68/4,420.92 = 1,650.80/x
  3. Step 3: Cross multiply
    2,949.68x = 4,420.92 × 1,650.80
  4. Step 4: Simplify right side
    2,949.68x = 7,298,054.74
  5. Step 5: Solve for x
    x = 7,298,054.74/2,949.68
  6. Step 6: Final answer
    x = 2,474.19

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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.