Home / 1,833.10-2,529.43-1,087.09

Finding the Fourth Proportional to 1,833.10, 2,529.43 and 1,087.09

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Solution

The fourth proportional to 1,833.10, 2,529.43 and 1,087.09 is: 1,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.10 : 2,529.43 = 1,087.09 : x
  2. Step 2: Convert to fraction form
    1,833.10/2,529.43 = 1,087.09/x
  3. Step 3: Cross multiply
    1,833.10x = 2,529.43 × 1,087.09
  4. Step 4: Simplify right side
    1,833.10x = 2,749,718.06
  5. Step 5: Solve for x
    x = 2,749,718.06/1,833.10
  6. Step 6: Final answer
    x = 1,500.04

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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.