Home / 2,964.40-4,091.08-1,705.86

Finding the Fourth Proportional to 2,964.40, 4,091.08 and 1,705.86

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Solution

The fourth proportional to 2,964.40, 4,091.08 and 1,705.86 is: 2,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.40 : 4,091.08 = 1,705.86 : x
  2. Step 2: Convert to fraction form
    2,964.40/4,091.08 = 1,705.86/x
  3. Step 3: Cross multiply
    2,964.40x = 4,091.08 × 1,705.86
  4. Step 4: Simplify right side
    2,964.40x = 6,978,809.73
  5. Step 5: Solve for x
    x = 6,978,809.73/2,964.40
  6. Step 6: Final answer
    x = 2,354.21

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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.