Home / 2,782.61-4,174.59-1,962.48

Finding the Fourth Proportional to 2,782.61, 4,174.59 and 1,962.48

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Solution

The fourth proportional to 2,782.61, 4,174.59 and 1,962.48 is: 2,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.61 : 4,174.59 = 1,962.48 : x
  2. Step 2: Convert to fraction form
    2,782.61/4,174.59 = 1,962.48/x
  3. Step 3: Cross multiply
    2,782.61x = 4,174.59 × 1,962.48
  4. Step 4: Simplify right side
    2,782.61x = 8,192,549.38
  5. Step 5: Solve for x
    x = 8,192,549.38/2,782.61
  6. Step 6: Final answer
    x = 2,944.20

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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.