Home / 1,872.15-2,583.86-1,235.96

Finding the Fourth Proportional to 1,872.15, 2,583.86 and 1,235.96

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Solution

The fourth proportional to 1,872.15, 2,583.86 and 1,235.96 is: 1,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.15 : 2,583.86 = 1,235.96 : x
  2. Step 2: Convert to fraction form
    1,872.15/2,583.86 = 1,235.96/x
  3. Step 3: Cross multiply
    1,872.15x = 2,583.86 × 1,235.96
  4. Step 4: Simplify right side
    1,872.15x = 3,193,557.16
  5. Step 5: Solve for x
    x = 3,193,557.16/1,872.15
  6. Step 6: Final answer
    x = 1,705.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.