Home / 3,209.63-4,429.76-1,884.06

Finding the Fourth Proportional to 3,209.63, 4,429.76 and 1,884.06

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Solution

The fourth proportional to 3,209.63, 4,429.76 and 1,884.06 is: 2,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.63 : 4,429.76 = 1,884.06 : x
  2. Step 2: Convert to fraction form
    3,209.63/4,429.76 = 1,884.06/x
  3. Step 3: Cross multiply
    3,209.63x = 4,429.76 × 1,884.06
  4. Step 4: Simplify right side
    3,209.63x = 8,345,924.21
  5. Step 5: Solve for x
    x = 8,345,924.21/3,209.63
  6. Step 6: Final answer
    x = 2,600.28

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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.