Home / 3,725.40-5,587.56-1,259.88

Finding the Fourth Proportional to 3,725.40, 5,587.56 and 1,259.88

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Solution

The fourth proportional to 3,725.40, 5,587.56 and 1,259.88 is: 1,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.40 : 5,587.56 = 1,259.88 : x
  2. Step 2: Convert to fraction form
    3,725.40/5,587.56 = 1,259.88/x
  3. Step 3: Cross multiply
    3,725.40x = 5,587.56 × 1,259.88
  4. Step 4: Simplify right side
    3,725.40x = 7,039,655.09
  5. Step 5: Solve for x
    x = 7,039,655.09/3,725.40
  6. Step 6: Final answer
    x = 1,889.64

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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.