Home / 1,964.11-2,939.16-1,707.15

Finding the Fourth Proportional to 1,964.11, 2,939.16 and 1,707.15

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Solution

The fourth proportional to 1,964.11, 2,939.16 and 1,707.15 is: 2,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.11 : 2,939.16 = 1,707.15 : x
  2. Step 2: Convert to fraction form
    1,964.11/2,939.16 = 1,707.15/x
  3. Step 3: Cross multiply
    1,964.11x = 2,939.16 × 1,707.15
  4. Step 4: Simplify right side
    1,964.11x = 5,017,586.99
  5. Step 5: Solve for x
    x = 5,017,586.99/1,964.11
  6. Step 6: Final answer
    x = 2,554.64

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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.