Home / 2,949.91-4,070.87-1,623.68

Finding the Fourth Proportional to 2,949.91, 4,070.87 and 1,623.68

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Solution

The fourth proportional to 2,949.91, 4,070.87 and 1,623.68 is: 2,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.91 : 4,070.87 = 1,623.68 : x
  2. Step 2: Convert to fraction form
    2,949.91/4,070.87 = 1,623.68/x
  3. Step 3: Cross multiply
    2,949.91x = 4,070.87 × 1,623.68
  4. Step 4: Simplify right side
    2,949.91x = 6,609,790.20
  5. Step 5: Solve for x
    x = 6,609,790.20/2,949.91
  6. Step 6: Final answer
    x = 2,240.68

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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.