Home / 1,930.22-2,881.20-1,658.06

Finding the Fourth Proportional to 1,930.22, 2,881.20 and 1,658.06

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Solution

The fourth proportional to 1,930.22, 2,881.20 and 1,658.06 is: 2,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.22 : 2,881.20 = 1,658.06 : x
  2. Step 2: Convert to fraction form
    1,930.22/2,881.20 = 1,658.06/x
  3. Step 3: Cross multiply
    1,930.22x = 2,881.20 × 1,658.06
  4. Step 4: Simplify right side
    1,930.22x = 4,777,188.07
  5. Step 5: Solve for x
    x = 4,777,188.07/1,930.22
  6. Step 6: Final answer
    x = 2,474.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.