Home / 3,705.60-5,558.46-1,240.42

Finding the Fourth Proportional to 3,705.60, 5,558.46 and 1,240.42

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Solution

The fourth proportional to 3,705.60, 5,558.46 and 1,240.42 is: 1,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.60 : 5,558.46 = 1,240.42 : x
  2. Step 2: Convert to fraction form
    3,705.60/5,558.46 = 1,240.42/x
  3. Step 3: Cross multiply
    3,705.60x = 5,558.46 × 1,240.42
  4. Step 4: Simplify right side
    3,705.60x = 6,894,824.95
  5. Step 5: Solve for x
    x = 6,894,824.95/3,705.60
  6. Step 6: Final answer
    x = 1,860.65

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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.