Home / 3,725.90-5,587.70-1,969.92

Finding the Fourth Proportional to 3,725.90, 5,587.70 and 1,969.92

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Solution

The fourth proportional to 3,725.90, 5,587.70 and 1,969.92 is: 2,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.90 : 5,587.70 = 1,969.92 : x
  2. Step 2: Convert to fraction form
    3,725.90/5,587.70 = 1,969.92/x
  3. Step 3: Cross multiply
    3,725.90x = 5,587.70 × 1,969.92
  4. Step 4: Simplify right side
    3,725.90x = 11,007,312.13
  5. Step 5: Solve for x
    x = 11,007,312.13/3,725.90
  6. Step 6: Final answer
    x = 2,954.27

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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.