Home / 1,829.92-2,742.09-1,088.05

Finding the Fourth Proportional to 1,829.92, 2,742.09 and 1,088.05

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Solution

The fourth proportional to 1,829.92, 2,742.09 and 1,088.05 is: 1,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.92 : 2,742.09 = 1,088.05 : x
  2. Step 2: Convert to fraction form
    1,829.92/2,742.09 = 1,088.05/x
  3. Step 3: Cross multiply
    1,829.92x = 2,742.09 × 1,088.05
  4. Step 4: Simplify right side
    1,829.92x = 2,983,531.02
  5. Step 5: Solve for x
    x = 2,983,531.02/1,829.92
  6. Step 6: Final answer
    x = 1,630.42

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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.