Home / 1,855.37-2,560.46-1,109.41

Finding the Fourth Proportional to 1,855.37, 2,560.46 and 1,109.41

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Solution

The fourth proportional to 1,855.37, 2,560.46 and 1,109.41 is: 1,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.37 : 2,560.46 = 1,109.41 : x
  2. Step 2: Convert to fraction form
    1,855.37/2,560.46 = 1,109.41/x
  3. Step 3: Cross multiply
    1,855.37x = 2,560.46 × 1,109.41
  4. Step 4: Simplify right side
    1,855.37x = 2,840,587.98
  5. Step 5: Solve for x
    x = 2,840,587.98/1,855.37
  6. Step 6: Final answer
    x = 1,531.01

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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.