Home / 1,833.51-2,529.72-1,125.12

Finding the Fourth Proportional to 1,833.51, 2,529.72 and 1,125.12

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Solution

The fourth proportional to 1,833.51, 2,529.72 and 1,125.12 is: 1,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.51 : 2,529.72 = 1,125.12 : x
  2. Step 2: Convert to fraction form
    1,833.51/2,529.72 = 1,125.12/x
  3. Step 3: Cross multiply
    1,833.51x = 2,529.72 × 1,125.12
  4. Step 4: Simplify right side
    1,833.51x = 2,846,238.57
  5. Step 5: Solve for x
    x = 2,846,238.57/1,833.51
  6. Step 6: Final answer
    x = 1,552.34

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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.