Home / 1,725.20-2,585.87-1,133.36

Finding the Fourth Proportional to 1,725.20, 2,585.87 and 1,133.36

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Solution

The fourth proportional to 1,725.20, 2,585.87 and 1,133.36 is: 1,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.20 : 2,585.87 = 1,133.36 : x
  2. Step 2: Convert to fraction form
    1,725.20/2,585.87 = 1,133.36/x
  3. Step 3: Cross multiply
    1,725.20x = 2,585.87 × 1,133.36
  4. Step 4: Simplify right side
    1,725.20x = 2,930,721.62
  5. Step 5: Solve for x
    x = 2,930,721.62/1,725.20
  6. Step 6: Final answer
    x = 1,698.77

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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.