Home / 1,563.74-2,346.29-1,216.55

Finding the Fourth Proportional to 1,563.74, 2,346.29 and 1,216.55

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Solution

The fourth proportional to 1,563.74, 2,346.29 and 1,216.55 is: 1,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.74 : 2,346.29 = 1,216.55 : x
  2. Step 2: Convert to fraction form
    1,563.74/2,346.29 = 1,216.55/x
  3. Step 3: Cross multiply
    1,563.74x = 2,346.29 × 1,216.55
  4. Step 4: Simplify right side
    1,563.74x = 2,854,383.44
  5. Step 5: Solve for x
    x = 2,854,383.44/1,563.74
  6. Step 6: Final answer
    x = 1,825.36

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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.