Home / 1,601.14-2,403.20-986.04

Finding the Fourth Proportional to 1,601.14, 2,403.20 and 986.04

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Solution

The fourth proportional to 1,601.14, 2,403.20 and 986.04 is: 1,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.14 : 2,403.20 = 986.04 : x
  2. Step 2: Convert to fraction form
    1,601.14/2,403.20 = 986.04/x
  3. Step 3: Cross multiply
    1,601.14x = 2,403.20 × 986.04
  4. Step 4: Simplify right side
    1,601.14x = 2,369,651.33
  5. Step 5: Solve for x
    x = 2,369,651.33/1,601.14
  6. Step 6: Final answer
    x = 1,479.98

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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.