Home / 3,725.16-5,587.80-1,878.60

Finding the Fourth Proportional to 3,725.16, 5,587.80 and 1,878.60

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Solution

The fourth proportional to 3,725.16, 5,587.80 and 1,878.60 is: 2,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.16 : 5,587.80 = 1,878.60 : x
  2. Step 2: Convert to fraction form
    3,725.16/5,587.80 = 1,878.60/x
  3. Step 3: Cross multiply
    3,725.16x = 5,587.80 × 1,878.60
  4. Step 4: Simplify right side
    3,725.16x = 10,497,241.08
  5. Step 5: Solve for x
    x = 10,497,241.08/3,725.16
  6. Step 6: Final answer
    x = 2,817.93

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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.