Home / 3,904.60-5,855.70-1,306.93

Finding the Fourth Proportional to 3,904.60, 5,855.70 and 1,306.93

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Solution

The fourth proportional to 3,904.60, 5,855.70 and 1,306.93 is: 1,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.60 : 5,855.70 = 1,306.93 : x
  2. Step 2: Convert to fraction form
    3,904.60/5,855.70 = 1,306.93/x
  3. Step 3: Cross multiply
    3,904.60x = 5,855.70 × 1,306.93
  4. Step 4: Simplify right side
    3,904.60x = 7,652,990.00
  5. Step 5: Solve for x
    x = 7,652,990.00/3,904.60
  6. Step 6: Final answer
    x = 1,959.99

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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.