Home / 3,975.62-5,962.28-1,603.70

Finding the Fourth Proportional to 3,975.62, 5,962.28 and 1,603.70

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Solution

The fourth proportional to 3,975.62, 5,962.28 and 1,603.70 is: 2,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.62 : 5,962.28 = 1,603.70 : x
  2. Step 2: Convert to fraction form
    3,975.62/5,962.28 = 1,603.70/x
  3. Step 3: Cross multiply
    3,975.62x = 5,962.28 × 1,603.70
  4. Step 4: Simplify right side
    3,975.62x = 9,561,670.61
  5. Step 5: Solve for x
    x = 9,561,670.61/3,975.62
  6. Step 6: Final answer
    x = 2,405.08

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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.