Home / 3,289.29-4,536.45-2,698.80

Finding the Fourth Proportional to 3,289.29, 4,536.45 and 2,698.80

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Solution

The fourth proportional to 3,289.29, 4,536.45 and 2,698.80 is: 3,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.29 : 4,536.45 = 2,698.80 : x
  2. Step 2: Convert to fraction form
    3,289.29/4,536.45 = 2,698.80/x
  3. Step 3: Cross multiply
    3,289.29x = 4,536.45 × 2,698.80
  4. Step 4: Simplify right side
    3,289.29x = 12,242,971.26
  5. Step 5: Solve for x
    x = 12,242,971.26/3,289.29
  6. Step 6: Final answer
    x = 3,722.07

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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.