Home / 1,840.20-2,539.87-1,132.64

Finding the Fourth Proportional to 1,840.20, 2,539.87 and 1,132.64

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Solution

The fourth proportional to 1,840.20, 2,539.87 and 1,132.64 is: 1,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.20 : 2,539.87 = 1,132.64 : x
  2. Step 2: Convert to fraction form
    1,840.20/2,539.87 = 1,132.64/x
  3. Step 3: Cross multiply
    1,840.20x = 2,539.87 × 1,132.64
  4. Step 4: Simplify right side
    1,840.20x = 2,876,752.69
  5. Step 5: Solve for x
    x = 2,876,752.69/1,840.20
  6. Step 6: Final answer
    x = 1,563.29

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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.