Home / 1,584.08-2,186.77-1,181.31

Finding the Fourth Proportional to 1,584.08, 2,186.77 and 1,181.31

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Solution

The fourth proportional to 1,584.08, 2,186.77 and 1,181.31 is: 1,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.08 : 2,186.77 = 1,181.31 : x
  2. Step 2: Convert to fraction form
    1,584.08/2,186.77 = 1,181.31/x
  3. Step 3: Cross multiply
    1,584.08x = 2,186.77 × 1,181.31
  4. Step 4: Simplify right side
    1,584.08x = 2,583,250.32
  5. Step 5: Solve for x
    x = 2,583,250.32/1,584.08
  6. Step 6: Final answer
    x = 1,630.76

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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.