Home / 2,027.70-2,795.31-1,857.60

Finding the Fourth Proportional to 2,027.70, 2,795.31 and 1,857.60

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Solution

The fourth proportional to 2,027.70, 2,795.31 and 1,857.60 is: 2,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.70 : 2,795.31 = 1,857.60 : x
  2. Step 2: Convert to fraction form
    2,027.70/2,795.31 = 1,857.60/x
  3. Step 3: Cross multiply
    2,027.70x = 2,795.31 × 1,857.60
  4. Step 4: Simplify right side
    2,027.70x = 5,192,567.86
  5. Step 5: Solve for x
    x = 5,192,567.86/2,027.70
  6. Step 6: Final answer
    x = 2,560.82

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1.5x scale

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.