Home / 2,259.18-3,388.14-1,089.94

Finding the Fourth Proportional to 2,259.18, 3,388.14 and 1,089.94

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Solution

The fourth proportional to 2,259.18, 3,388.14 and 1,089.94 is: 1,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.18 : 3,388.14 = 1,089.94 : x
  2. Step 2: Convert to fraction form
    2,259.18/3,388.14 = 1,089.94/x
  3. Step 3: Cross multiply
    2,259.18x = 3,388.14 × 1,089.94
  4. Step 4: Simplify right side
    2,259.18x = 3,692,869.31
  5. Step 5: Solve for x
    x = 3,692,869.31/2,259.18
  6. Step 6: Final answer
    x = 1,634.61

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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.