Home / 2,555.15-3,832.26-705.83

Finding the Fourth Proportional to 2,555.15, 3,832.26 and 705.83

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Solution

The fourth proportional to 2,555.15, 3,832.26 and 705.83 is: 1,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.15 : 3,832.26 = 705.83 : x
  2. Step 2: Convert to fraction form
    2,555.15/3,832.26 = 705.83/x
  3. Step 3: Cross multiply
    2,555.15x = 3,832.26 × 705.83
  4. Step 4: Simplify right side
    2,555.15x = 2,704,927.79
  5. Step 5: Solve for x
    x = 2,704,927.79/2,555.15
  6. Step 6: Final answer
    x = 1,058.62

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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.