Home / 1,833.04-2,529.78-1,087.12

Finding the Fourth Proportional to 1,833.04, 2,529.78 and 1,087.12

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Solution

The fourth proportional to 1,833.04, 2,529.78 and 1,087.12 is: 1,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.04 : 2,529.78 = 1,087.12 : x
  2. Step 2: Convert to fraction form
    1,833.04/2,529.78 = 1,087.12/x
  3. Step 3: Cross multiply
    1,833.04x = 2,529.78 × 1,087.12
  4. Step 4: Simplify right side
    1,833.04x = 2,750,174.43
  5. Step 5: Solve for x
    x = 2,750,174.43/1,833.04
  6. Step 6: Final answer
    x = 1,500.34

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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.