Home / 2,872.47-4,308.66-1,637.25

Finding the Fourth Proportional to 2,872.47, 4,308.66 and 1,637.25

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Solution

The fourth proportional to 2,872.47, 4,308.66 and 1,637.25 is: 2,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.47 : 4,308.66 = 1,637.25 : x
  2. Step 2: Convert to fraction form
    2,872.47/4,308.66 = 1,637.25/x
  3. Step 3: Cross multiply
    2,872.47x = 4,308.66 × 1,637.25
  4. Step 4: Simplify right side
    2,872.47x = 7,054,353.59
  5. Step 5: Solve for x
    x = 7,054,353.59/2,872.47
  6. Step 6: Final answer
    x = 2,455.85

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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.