Home / 1,725.78-2,584.80-1,237.32

Finding the Fourth Proportional to 1,725.78, 2,584.80 and 1,237.32

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Solution

The fourth proportional to 1,725.78, 2,584.80 and 1,237.32 is: 1,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.78 : 2,584.80 = 1,237.32 : x
  2. Step 2: Convert to fraction form
    1,725.78/2,584.80 = 1,237.32/x
  3. Step 3: Cross multiply
    1,725.78x = 2,584.80 × 1,237.32
  4. Step 4: Simplify right side
    1,725.78x = 3,198,224.74
  5. Step 5: Solve for x
    x = 3,198,224.74/1,725.78
  6. Step 6: Final answer
    x = 1,853.21

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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.