Home / 2,259.09-3,388.01-1,089.85

Finding the Fourth Proportional to 2,259.09, 3,388.01 and 1,089.85

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Solution

The fourth proportional to 2,259.09, 3,388.01 and 1,089.85 is: 1,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.09 : 3,388.01 = 1,089.85 : x
  2. Step 2: Convert to fraction form
    2,259.09/3,388.01 = 1,089.85/x
  3. Step 3: Cross multiply
    2,259.09x = 3,388.01 × 1,089.85
  4. Step 4: Simplify right side
    2,259.09x = 3,692,417.25
  5. Step 5: Solve for x
    x = 3,692,417.25/2,259.09
  6. Step 6: Final answer
    x = 1,634.47

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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.