Home / 2,259.23-3,387.05-1,089.59

Finding the Fourth Proportional to 2,259.23, 3,387.05 and 1,089.59

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Solution

The fourth proportional to 2,259.23, 3,387.05 and 1,089.59 is: 1,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.23 : 3,387.05 = 1,089.59 : x
  2. Step 2: Convert to fraction form
    2,259.23/3,387.05 = 1,089.59/x
  3. Step 3: Cross multiply
    2,259.23x = 3,387.05 × 1,089.59
  4. Step 4: Simplify right side
    2,259.23x = 3,690,490.36
  5. Step 5: Solve for x
    x = 3,690,490.36/2,259.23
  6. Step 6: Final answer
    x = 1,633.52

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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.