Home / 2,964.71-4,091.11-1,638.35

Finding the Fourth Proportional to 2,964.71, 4,091.11 and 1,638.35

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Solution

The fourth proportional to 2,964.71, 4,091.11 and 1,638.35 is: 2,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.71 : 4,091.11 = 1,638.35 : x
  2. Step 2: Convert to fraction form
    2,964.71/4,091.11 = 1,638.35/x
  3. Step 3: Cross multiply
    2,964.71x = 4,091.11 × 1,638.35
  4. Step 4: Simplify right side
    2,964.71x = 6,702,670.07
  5. Step 5: Solve for x
    x = 6,702,670.07/2,964.71
  6. Step 6: Final answer
    x = 2,260.82

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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.