Home / 1,846.80-2,548.85-1,101.20

Finding the Fourth Proportional to 1,846.80, 2,548.85 and 1,101.20

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Solution

The fourth proportional to 1,846.80, 2,548.85 and 1,101.20 is: 1,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.80 : 2,548.85 = 1,101.20 : x
  2. Step 2: Convert to fraction form
    1,846.80/2,548.85 = 1,101.20/x
  3. Step 3: Cross multiply
    1,846.80x = 2,548.85 × 1,101.20
  4. Step 4: Simplify right side
    1,846.80x = 2,806,775.37
  5. Step 5: Solve for x
    x = 2,806,775.37/1,846.80
  6. Step 6: Final answer
    x = 1,519.80

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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.