Home / 4,181.43-6,271.06-1,985.79

Finding the Fourth Proportional to 4,181.43, 6,271.06 and 1,985.79

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Solution

The fourth proportional to 4,181.43, 6,271.06 and 1,985.79 is: 2,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.43 : 6,271.06 = 1,985.79 : x
  2. Step 2: Convert to fraction form
    4,181.43/6,271.06 = 1,985.79/x
  3. Step 3: Cross multiply
    4,181.43x = 6,271.06 × 1,985.79
  4. Step 4: Simplify right side
    4,181.43x = 12,453,008.24
  5. Step 5: Solve for x
    x = 12,453,008.24/4,181.43
  6. Step 6: Final answer
    x = 2,978.17

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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.