Home / 3,045.13-4,202.28-1,647.88

Finding the Fourth Proportional to 3,045.13, 4,202.28 and 1,647.88

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Solution

The fourth proportional to 3,045.13, 4,202.28 and 1,647.88 is: 2,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.13 : 4,202.28 = 1,647.88 : x
  2. Step 2: Convert to fraction form
    3,045.13/4,202.28 = 1,647.88/x
  3. Step 3: Cross multiply
    3,045.13x = 4,202.28 × 1,647.88
  4. Step 4: Simplify right side
    3,045.13x = 6,924,842.66
  5. Step 5: Solve for x
    x = 6,924,842.66/3,045.13
  6. Step 6: Final answer
    x = 2,274.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.