Home / 1,787.77-2,467.67-1,158.33

Finding the Fourth Proportional to 1,787.77, 2,467.67 and 1,158.33

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Solution

The fourth proportional to 1,787.77, 2,467.67 and 1,158.33 is: 1,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.77 : 2,467.67 = 1,158.33 : x
  2. Step 2: Convert to fraction form
    1,787.77/2,467.67 = 1,158.33/x
  3. Step 3: Cross multiply
    1,787.77x = 2,467.67 × 1,158.33
  4. Step 4: Simplify right side
    1,787.77x = 2,858,379.65
  5. Step 5: Solve for x
    x = 2,858,379.65/1,787.77
  6. Step 6: Final answer
    x = 1,598.85

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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.