Home / 2,027.96-2,798.48-1,131.64

Finding the Fourth Proportional to 2,027.96, 2,798.48 and 1,131.64

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Solution

The fourth proportional to 2,027.96, 2,798.48 and 1,131.64 is: 1,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.96 : 2,798.48 = 1,131.64 : x
  2. Step 2: Convert to fraction form
    2,027.96/2,798.48 = 1,131.64/x
  3. Step 3: Cross multiply
    2,027.96x = 2,798.48 × 1,131.64
  4. Step 4: Simplify right side
    2,027.96x = 3,166,871.91
  5. Step 5: Solve for x
    x = 3,166,871.91/2,027.96
  6. Step 6: Final answer
    x = 1,561.60

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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.