Home / 3,948.60-5,922.86-1,137.51

Finding the Fourth Proportional to 3,948.60, 5,922.86 and 1,137.51

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Solution

The fourth proportional to 3,948.60, 5,922.86 and 1,137.51 is: 1,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.60 : 5,922.86 = 1,137.51 : x
  2. Step 2: Convert to fraction form
    3,948.60/5,922.86 = 1,137.51/x
  3. Step 3: Cross multiply
    3,948.60x = 5,922.86 × 1,137.51
  4. Step 4: Simplify right side
    3,948.60x = 6,737,306.79
  5. Step 5: Solve for x
    x = 6,737,306.79/3,948.60
  6. Step 6: Final answer
    x = 1,706.25

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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.