Home / 1,658.18-2,288.18-949.94

Finding the Fourth Proportional to 1,658.18, 2,288.18 and 949.94

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Solution

The fourth proportional to 1,658.18, 2,288.18 and 949.94 is: 1,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.18 : 2,288.18 = 949.94 : x
  2. Step 2: Convert to fraction form
    1,658.18/2,288.18 = 949.94/x
  3. Step 3: Cross multiply
    1,658.18x = 2,288.18 × 949.94
  4. Step 4: Simplify right side
    1,658.18x = 2,173,633.71
  5. Step 5: Solve for x
    x = 2,173,633.71/1,658.18
  6. Step 6: Final answer
    x = 1,310.86

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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.