Home / 1,789.36-2,485.85-1,773.34

Finding the Fourth Proportional to 1,789.36, 2,485.85 and 1,773.34

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Solution

The fourth proportional to 1,789.36, 2,485.85 and 1,773.34 is: 2,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.36 : 2,485.85 = 1,773.34 : x
  2. Step 2: Convert to fraction form
    1,789.36/2,485.85 = 1,773.34/x
  3. Step 3: Cross multiply
    1,789.36x = 2,485.85 × 1,773.34
  4. Step 4: Simplify right side
    1,789.36x = 4,408,257.24
  5. Step 5: Solve for x
    x = 4,408,257.24/1,789.36
  6. Step 6: Final answer
    x = 2,463.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.