Home / 1,682.11-2,521.29-1,269.91

Finding the Fourth Proportional to 1,682.11, 2,521.29 and 1,269.91

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Solution

The fourth proportional to 1,682.11, 2,521.29 and 1,269.91 is: 1,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.11 : 2,521.29 = 1,269.91 : x
  2. Step 2: Convert to fraction form
    1,682.11/2,521.29 = 1,269.91/x
  3. Step 3: Cross multiply
    1,682.11x = 2,521.29 × 1,269.91
  4. Step 4: Simplify right side
    1,682.11x = 3,201,811.38
  5. Step 5: Solve for x
    x = 3,201,811.38/1,682.11
  6. Step 6: Final answer
    x = 1,903.45

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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.