Home / 3,705.72-5,558.52-1,240.36

Finding the Fourth Proportional to 3,705.72, 5,558.52 and 1,240.36

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Solution

The fourth proportional to 3,705.72, 5,558.52 and 1,240.36 is: 1,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.72 : 5,558.52 = 1,240.36 : x
  2. Step 2: Convert to fraction form
    3,705.72/5,558.52 = 1,240.36/x
  3. Step 3: Cross multiply
    3,705.72x = 5,558.52 × 1,240.36
  4. Step 4: Simplify right side
    3,705.72x = 6,894,565.87
  5. Step 5: Solve for x
    x = 6,894,565.87/3,705.72
  6. Step 6: Final answer
    x = 1,860.52

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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.